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Barracuda Email Security Gateway
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Knowledgebase
The Knowledgebase is a searchable database of technical questions and answers to troubleshoot a variety of issues. Compiled by the Barracuda Technical Support team, this interactive tool is designed to be an easy way to solve technical issues.
Knowledgebase Articles (317)
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How does Bayesian Analysis for inbound mail work and, how do I keep it running accurately?
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How should I configure Microsoft Exchange to reject emails for invalid recipients so that Barracuda Spam Filtering will recognize the rejections?
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How do I export email from the message log of my Barracuda Email Security Gateway?
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How can I configure the Cloud Protection Layer (CPL) for use with my Email Security Gateway?
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Can I prevent spammers from spoofing legitimate users in my domain on the Email Security Gateway?
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How can I customize NDR (bounce) messages generated by my Email Security Gateway?
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Why am I receiving a NDR stating "5.0.0 smtp; 5.3.0 - Other mail system problem 552-'MS-Office file containing VBA macros found inside of the email" from my Barracuda Spam & Virus Firewall?
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what fields do we process for per-user whitelist checking?
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What is the latest version of the Outlook plug-in for the Email Security Gateway and where can it be downloaded?
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Why do certain messages in the Message Log of my Barracuda Spam & Virus Firewall have spam scores of -1002.00?
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how can I generate stats on a per domain basis for outbound email totals?
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How can I change the number of messages per page on my Email Security Gateway's message or quarantine log?
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Why shouldn't I use an OpenDNS or UltraDNS DNS servers for my Email Security Gateway's DNS lookups?
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How can I requeue my Outbound queue on my Email Security Gateway?
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In what specific situations will my Email Security Gateway send an NDR (bounce) message to the sender?
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How do I make the links work in my quarantine digest on my Spam & Virus Firewall?
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Why are emails with attachments being blocked incorrectly with a reason of "Password Protected Archive" ?
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What files types are including in the Windows Executable and Script section Attachment File Types?
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How can I set up encryption from a specific email address/domain on a Email Security Gateway?
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Why does my Barracuda Spam and Virus Firewall respond with a ?451 Internal Error? after updating to 5.x or later firmwares?
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What does it mean when messages get deferred for Reason: ?System Busy (virus scanner unavailable)??
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How can I clear the message log on my Barracuda Spam & Virus Firewall in firmware version 4.1?
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How can I redirect messages stored in the Message Log on my Barracuda Spam & Virus Firewall to a different user account?
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What ports should be open on my firewall to allow the Email Security Gateway to operate properly?
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How do I configure Single Sign-On for the Barracuda Spam & Virus Firewall?
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How should I swap one Barracuda Spam & Virus Firewall on my network with another?
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What are potential causes of "Sender Timeout" on the Barracuda Spam Firewall?
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How can I block or tag all emails containing foreign characters on my Barracuda Spam Firewall?
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Why is backup via FTPS failing?
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How Can I Configure Office 365 for Inbound and Outbound Mail
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How should I use regular expressions with my Barracuda Spam Firewall?
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How do I change the Timezone shown for the CPL's message log?
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How can I stop spam from getting through my Barracuda Spam Firewall?
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How can I resolve a "Insufficient System Resources" error from Exchange 2007/2010 when in use with the Barracuda Spam Firewall?
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How do I write a custom LDAP filter for the Barracuda Spam Firewall?
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How can I get DigiCert SSL certificates to work with my Barracuda Networks product?
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What is the difference between Intent, Real-time,Multi-level, and ZeroHour Intent filtering on the Barracuda Spam Firewall?
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How Can I Block, Quarantine or Tag mail based on the characters in a message and not the character set used.
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Why am I seeing email blocked for URLBL_BC or URLBL_FROM_BC?
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Can Barracuda Networks sign my HIPAA Business Associate Agreement?
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What is the Rate Control feature on my Barracuda Spam Firewall?
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How can I read the debug/archive smtp logs using my Barracuda Spam Firewall's syslog?
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How do I enable TLS on my Microsoft Exchange 2010?
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Why is my Barracuda Spam Firewall inappropriately accepting or deferring messages for invalid or valid recipients when the LDAP configuration tests correctly?
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Why are mail attachments bigger than the original file?
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What steps are necessary for a seamless replacement (RMA / Hardware Refresh) of a Barracuda Spam Firewall?
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how to read the headers of mail when checking for SPF issues?
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Why is my Spam Firewall reporting that an email was rejected for attachment size when it's smaller than my mail server's limit?
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Why are messages being allowed through my Barracuda Spam Firewall with a reason of "Size"?
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Why is my Barracuda Firewall having connectivity issues to Amazon AWS through site-to-site VPN?
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Weh can customers expect a barracuda Anti-Virus Addin and Exchange 2013
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How can I configure my Barracuda Spam Firewall to block messages that contain a certain word or phrase in the subject?
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How Can a customer completely disable SSLv2, SSLv3 and all anonymous ciphers for PCI Compliance on the Barracuda Spam Firewall.
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What can I do when the v6 Outlook plugin does not work when using a custom HTTPS port on the Barracuda Spam Firewall?
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How should I configure SMTP over TLS on my Barracuda Spam Firewall?
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Does the Encrypt Email Button on the Barracuda Spam Outlook Plugin toggle the message between an Encrypted and Un-encrypted setting?
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How do I set up message encryption with the mesaage center on my Barracuda Spam Firewall running firmware version 5.x?
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Why can't anyone send mail to my Barracuda Spam Firewall over TLS, even though I have it enabled?
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How can I configure POP3 or IMAP mail retrieval on the Barracuda Spam Firewall?
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How can I allow bounce messages from my Barracuda Spam Firewall to be sent only to SPF authenticated addresses?
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What is the Barracuda Whitelist on my Barracuda Spam Firewall?
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How can I get a list of all the entries on my users' whitelist on my Barracuda Spam Firewall?
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How can I update the Barracuda Spam Firewall's Exchange Anti-Virus Engine?
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What can I do if a virus gets through my Barracuda Spam Firewall?
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When will the Barracuda Spam Firewall's Exchange Anti-Virus plugin scan messages on my Exchange server?
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Does the Barracuda Spam Firewall block the January 8, 2008 malware threats against salesforce.com?
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Will the antivirus protection capabilities of my Barracuda Spam Firewall allow me to cancel my antivirus subscriptions?
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Why are most of my incoming emails being whitelisted with a reason of "Recipient" on my Barracuda Spam Firewall?
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How can I block an email with copied RLO unicode character in it with my Barracuda Spam Firewall?
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How should I configure my Barracuda Networks product to work with my syslog server?
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Where is the documentation on syslog for my Barracuda Spam Firewall running Firmware Release 3.x or earlier?
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Is there a good method for getting accurate SNMP values for CPU Load on the Barracuda Spam Firewall?
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How Can a Customer resolve AV Agent Error - "Load quota for the sytem has been exceeded"
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Do I need to enter a Canary Email when configuring LDAP/Active Directory verification on my Barracuda Spam Firewall? Why?
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How long are emails available in Barracuda Email Security Service
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How should a customer configure multiple destination servers for a single domain on the Barracuda Spam Firewall?
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How do I block messages with blank "from" addresses on my Barracuda Spam Firewall?
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Why is the message log of my Barracuda Spam Firewall reporting sender timeouts after successful delivery of messages from Google and other specific email providers?
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How do I disable the VRFY SMTP command on the Barracuda Spam Firewall?
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Does the 'SMTP HELO Required' setting also cover EHLO on my Barracuda Spam Firewall?
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Why are my Barracuda Spam Firewall's reports not being delivered?
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Can the 3.4 syslog on the Barracuda Spam Firewall be reverted to the old 3.3 format?
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Will my Barracuda Spam Firewall notify me when something needs attention?
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Why aren't quarantine user accounts being created automatically on my Barracuda Spam Firewall?
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How can I turn on a quarantine account for a single user on my Barracuda Spam Firewall?
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How can you use use stats_chart.cgi script on the Spam & Virus Firewall?
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How do I set up Global or Per-User Quarantine on my Barracuda Spam Firewall?
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Why are users prompted to accept the Barracuda Spam Firewall's SSL certificate when actioning quarantine items?
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Why can't my users modify their quarantine inbox settings on my Barracuda Spam Firewall?
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Why aren't the Quarantine Summary Delivery Links working in quarantine notification emails generated by the Barracuda Spam Firewall?
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Why isn't my Barracuda Spam Firewall sending out Quarantine Summary emails to my users?
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One of my users did not receive their Daily Quarantine report from my Barracuda Spam Firewall today. Why?
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How long will my Barracuda Spam Firewall's quarantine notification email links last?
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How can I download the Outlook Plugin for the Barracuda Spam Firewall?
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How Can I convert ADM to ADMX for the Outlook Plugin?
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Does Barracuda Networks provide a Barracuda Spam Firewall mail client plugin for Lotus Notes? Where can I download it?
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Why does my Barracuda Spam Firewall Outlook Plugin installation fail with an error?
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Why can't I find the 'encrypt' option when I install the Outlook Add-in from my Barracuda Spam Firewall on Outlook 2003?
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Why am I unable to install the Barracuda Outlook Plug-in for the Barracuda Spam Firewall due to an expired certificate error?
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Why hasn't Outlook recognized that I've uninstalled the Barracuda plugin for the Barracuda Spam Firewall?
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What mail client plugins are available for the Barracuda Spam Firewall?
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Why won't the Red and Green envelopes display in my Microsoft Outlook after installing the plugin from my Barracuda Spam Firewall?
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Why won't my Barracuda Spam Firewall's Outlook Plugin buttons stay put when I restart my Microsoft Outlook?
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Why is my QMAIL server having trouble performing recipient verification over SMTP with my Barracuda Spam Firewall?
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Does the Barracuda Spam Firewall and ESS Outbound Encryption for HIPAA support HITECH/HIPAA 2.0?
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How do I set up SMTP Auth or LDAP to allow users to relay mail through my Barracuda Spam Firewall from outside my network?
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How can I ensure my Barracuda Spam Firewall is compliant with the new rDNS, Banner and MX verification processes for outbound mail?
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Why is my outbound queue full of outgoing messages on my Barracuda Spam Firewall? How long will it queue them?
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How does Rate Control work on Barracuda Spam Firewalls in Outbound mode?
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Why isn't my Barracuda Spam Firewall 100 logging relayed outgoing mail messages in the message log?
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Why am I unable to see the footer I've created for my outbound emails on the Barracuda Spam Firewall?
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Why is all the outbound mail on my Barracuda Spam Firewall being rejected for Unable to Relay?
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How do I add a line break in the Outbound HTML footer on my Barracuda Spam Firewall?
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Why am I getting outbound statistics when my Barracuda Spam Firewall is not set to filter outbound email?
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How can I configure Microsoft Exchange 2007 to use my Barracuda Spam Firewall as an outbound relay?
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How do I add or change multiple items in a list using the GUI of the Barracuda Spam Firewall?
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What units (bits/bytes) are used in message sizes displayed on my Barracuda Spam Firewall's Message Log?
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Why am I getting "delivery status 552 5.3.4 Message size exceeds fixed maximum message size?
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Recently, on my Barracuda Spam Firewall Web UI syslog data I am seeing an additional log being passed, what does this line mean?
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In the message log of the Barracuda Spam Firewall I see messages that show "Allowed" or "Whitelist" but the Delivery Details state "Rejected". Why?
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How do I check that reports are being sent out on the Barracuda Spam Firewall?
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What does "Connection refused" mean when seen in delivery detail column of the Barracuda Spam Firewall's message log?
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What can I do when I can't log in to the Barracuda Spam Firewall using LDAP Single-Sign On (SSO)?
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What authentication methods are supported for Per User Quarantine on the Barracuda Spam Firewall?
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How can I send outgoing mail through my Barracuda Spam Firewall using my iPhone?
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Why am I receiving "Recipient Verification Unavailable" errors when not using LDAP on the Barracuda Spam Firewall?
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What are the recommended LDAP settings to allow my Barracuda Spam Firewall to work with Kerio?
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How can a customer resolve (outbound messages to some domains being rejected with the Reason: "Message loops back to myself") ?
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What are the recommended LDAP settings to allow my Barracuda Spam Firewall to work with Active Directory?
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What are the recommended LDAP settings to allow my Barracuda Spam Firewall to work with Domino?
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Why are so many invalid user notifications sent to the configured administrator email account from my Barracuda Spam Firewall?
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How do I set the LDAP filter with SMTP Authentication / SASL on the Barracuda Spam Firewall?
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How do I export an LDIF file from Active Directory 2003 so I can set up LDAP on my Barracuda Spam Firewall?
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Why is the system load on my LDAP server 100% while LDAP lookups time out on my Barracuda Spam Firewall?
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Why isn't my Remove All Invalid Accounts button working on my Barracuda Spam Firewall?
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What are the recommended LDAP settings to allow my Barracuda Spam Firewall to work with Communigate?
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What are the recommended LDAP settings to allow my Barracuda Spam Firewall to work with IMail?
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Why is my IMail LDAP not allowing my Barracuda Spam Firewall to stay connected?
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What are the recommended LDAP settings to allow my Barracuda Spam Firewall to work with eDirectory?
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How can I have the Barracuda Spam Firewall look for just the username portion of an email address on my LDAP server?
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Why should I remove NJABL or AHBL as an external RBL?
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How can I configure a Smart Host in Microsoft Exchange 2003/2007/2010 with my Barracuda Spam Firewall / Email Security Service (ESS)?
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How can I use Outlook Web Access with the Barracuda Spam Firewall when all traffic goes to the Barracuda?
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Why is spam getting through on my Barracuda Spam Firewall 100?
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Why can't I create new users on my Barracuda Spam Firewall?
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Why isn't mail being delivered from my Barracuda Spam Firewall to my mail server?
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Can I use my Barracuda Spam Firewall as a mail gateway for my network?
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How do I route Inbound email to my Barracuda Spam Firewall for the initial set up of the device?
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How can I upload my own branding / logo for encrypted emails on the Barracuda Spam Firewall 5.0?
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How do I troubleshoot 421 4.3.2 The maximum number of concurrent connections has exceeded a limit, closing transmission channel?
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Is there a way I can force that are emails queued up in the inbound queue through my Barracuda Spam Firewall without being processed?
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Why is SNMP and show_queues.cgi not returning the correct results on the Barracuda Spam Firewall?
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What LDAP filter do we use to reject mail for a disabled user in Active Directory?
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Can a Customer have a server anti-virus engine running along with the Barracuda Exchange Anti-Virus addin
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Why is the RAID array on my Barracuda Spam Firewall spontaneously rebuilding?
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What steps should I take to install and configure my new Barracuda Spam Firewall?
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Can the Barracuda Spam Firewall or SSLVPN be used with a APC UPS device?
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What do the indicator lights mean on the front of my Barracuda Spam Firewall?
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Why does some outbound mail sitt on my mail server and is not being delivered?
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Why can't I login using an Active Directory distribution list email address?
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How can I set up my EXIM mail server to do outbound relay to my Barracdua server/service?
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How can I find out if our Barracuda Spam Firewall protects against a known virus or vulnerability?
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When should you add a server IP as a trusted forwarder?
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How can I perform list and add functions on the per user whitelist via XML?
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Is the Barracuda Spam Firewall PCI compliant?
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What happens to incoming mail when the firmware on a Barracuda Spam Firewall is updated during business hours?
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Why is mail not being delivered from my Barracuda Spam Firewall to my mail server after upgrading from firmware version 3.5.10.015 or below to a version newer than 3.5.10.015?
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Why am I seeing a blank screen after upgrading the firmware on my Barracuda Spam Firewall?
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Can the Barracuda Spam Firewall use regular expressions that are case sensitive?
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Why is my Barracuda Spam Firewall blocking all emails for reason of Subject ( ), Body ( ), or Header ( )?
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Why is mail being blocked by my Barracuda Spam Firewall for reason of Intent?
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Why is my Barracuda Spam Firewall not using my Global Spam Score settings?
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How should I deal with custom RBL or Barracuda Reputation false positives on my Barracuda Spam Firewall?
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How do I fix multiple Mail Protocol Violations seen in the Message Log of the Barracuda Spam Firewall?
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What will my Barracuda Spam Firewall do when it blocks a message for attachment size?
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Why is mail being blocked for Fake Sender Domain on my Barracuda Spam Firewall?
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How do I deliver a message that was blocked on the Barracuda Spam Firewall?
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I am not a Barracuda Networks customer. How should I address any issues related to the Barracuda Reputation List?
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Do Energize Updates affect the amount of email that is blocked or quarantined on my Barracuda Spam Firewall?
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Email traffic concerns when using the Spam Firewall and a Web Filter together.
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How can I resolve problems logging into the Barracuda Message Center (Barracuda Encryption Service)?
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How do I configure my Barracuda Spam Firewall to work with "DYNDNS" as my DNS Servers ?
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How can I configure my Barracuda Spam Firewalls to work with the Barracuda Load Balancer using Direct Server Return (DSR) mode?
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How do I set up an Outbound Footer on my Barracuda Spam Firewall?
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Why isn't my message log displaying the spam scores for my incoming messages on my Barracuda Spam Firewall?
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How should I configure the Barracuda Spam Firewall to forward ActiveSync traffic using the Port Forwarding feature?
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Why is my outbound queue filled with outgoing messages even though I route my outgoing mail around my Barracuda Spam Firewall?
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How can I filter mail for sub (child) domains with the Barracuda Spam Firewall?
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How do I configure Outbound Relay on the Barracuda Spam Firewall?
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How can I configure Microsoft Exchange 2003 to use my Barracuda Spam Firewall as an outbound relay?
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How should I configure SPF checking on the Barracuda Spam Firewall?
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How can I prevent "Backscatter" on my Barracuda Spam Firewall?
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Why am I seeing emails going out to brts.barracuda.com from my Spam Firewall?
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How can I check the time set on the Barracuda Spam Firewall?
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How do I configure LDAP/Active Directory verification on my Barracuda Spam Firewall?
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How can I retrieve email headers from Outlook 2010 for use with my Barracuda Spam Firewall?
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What methods of recipient verification are available on my Barracuda Spam Firewall? How do they work?
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How can I ensure that the mail for a particular domain is being processed unfiltered by my Barracuda Spam Firewall?
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How do I enable Role-based administration accounts on my Barracuda Spam Firewall?
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How can I make the links in the Quarantine Summary emails on the Barracuda Spam Firewall use a hostname rather than an IP address?
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Why is my Barracuda Spam Firewall blocking all incoming emails for reason of Rate Control?
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How do I enable HTTPS access on my Barracuda Spam Firewall?
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What should I do if mail is not being delivered from my Barracuda Spam Firewall to the destination mail server for reason of "loops back to self"?
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Why am I receiving defer notification for reason of Recipient Verification Unavailable on my Barracuda Spam Firewall?
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How do I use the Valid Recipients feature of the Barracuda Spam Firewall?
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How can I route mail to the mail submission port of my Barracuda Spam Firewall?
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Why can't I view the body of allowed messages in the Barracuda Spam Firewall's message log?
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Can my Barracuda Spam Firewall block NDRs for messages it never sent?
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What is DomainKeys? How can I configure DomainKeys on my Barracuda Spam Firewall?
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Does the Barracuda Spam Firewall require that I have my own email server?
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Can different mail servers be configured for different domains on the Barracuda Spam Firewall?
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Why is my Barracuda Spam Firewall creating multiple accounts per user even though I have 'Unify Email Aliases' set to 'Yes'?
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Can I remove my Barracuda Spam Firewall's custom headers from my incoming or outgoing email?
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What is the Individual Account Activation feature on the Barracuda Spam Firewall?
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Spammers like to use web-forwarding URLs to advertise. How do I block these URLs on my Barracuda Spam Firewall?
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Is clustering Barracuda Spam Firewalls the same as load balancing them?
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Why is mail bypassing the Barracuda Spam Firewall and going directly to the mail server?
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How do I change the SMTP welcome banner on the Barracuda Spam Firewall?
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What configuration changes will be made to my Barracuda Spam Firewall's configuration when I upgrade to the 3.5.12 firmware?
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How can I change the notification interval for all user accounts at once on the Barracuda Spam Firewall?
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What is the Barracuda Real-Time Protection feature on my Barracuda Spam Firewall? How does it work?
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How do quarantine settings work with multiple domains and email aliases on the Barracuda Spam Firewall?
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What are the recommended LDAP settings to allow my Barracuda Spam Firewall to work with Apple Open Directory (LDAP)?
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How do I configure Lotus Domino to use a Barracuda Spam Firewall as an outbound relay?
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What is DNS caching? How does my Barracuda Spam Firewall use it?
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Is there an easy way to block emails containing certain domains with my Barracuda Spam Firewall? How?
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Why does adding an RBL exemption cause a timeout on my Barracuda Spam Firewall?
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How is my Barracuda Spam Firewall affected by vulnerabilities in the Sender Policy Framework?
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How can I block or tag all emails coming from foreign countries on my Barracuda Spam Firewall?
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How do I configure my Plesk email server to reject invalid recipients with the Barracuda Spam Firewall?
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When I take my Barracuda Spam Firewall "Offline," will it still generate and send quarantine summary emails?
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Why is my IMAIL IPswitch server closing port 25 connections from my Barracuda Spam Firewall?
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How should I update my firmware on currently clustered Barracuda Spam Firewalls?
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How do I change the IP address of my Barracuda Spam Firewall in a clustered environment?
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What configurations are not synchronized across a Barracuda Spam Firewall cluster?
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Can I block invalid bounce or NDR messages on my Barracuda Spam Firewall? How?
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Can two Barracuda Spam Firewall 300s be set up for redundant operation?
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Is the Message Log synchronized in a clustered Barracuda Spam Firewall environment?
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Do Daily Reports collect data from each Barracuda Spam Firewall in a cluster?
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Do the email statistics used in generating daily reports and those displayed on the Status page propagate to other Barracudas in a cluster of Barracuda Spam Firewalls?
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Can remotely clustered Barracuda Spam Firewalls in different locations deliver mail to their own local mail servers?
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Can different models of the Barracuda Spam Firewall be clustered together?
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How can I configure Microsoft Exchange 2013 to use my Barracuda Spam Firewall as an outbound relay?
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How can I recall an Encrypted Message?
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Why is my IP address listed on the Barracuda Reputation System as having a "poor" reputation?
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Why is the Barracuda Spam Firewall blocking or whitelisting email messages with the reason of "Client"?
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Why is every other email blocked due to Real-time Intent when using the Barracuda Spam Firewall?
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How can I use the SPF, Rate Control, RBL, and Barracuda IP Reputation features when some or all of my mail goes through a relay server before reaching my Barracuda Spam Firewall?
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What is the Barracuda Reputation Block List (BRBL)? How do I use it? Do I need a Barracuda Spam Firewall?
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Why is my Barracuda Spam Firewall not blocking one of the email senders I have blacklisted?
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My emails to recipients with a Barracuda Spam Firewall keep getting blocked! What do I do?
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How do I block an email sender for one user on my Barracuda Spam Firewall, without blocking that sender for others?
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Why are blank fields appearing in a per-user quarantine inbox on my Barracuda Spam Firewall?
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Why does my Barracuda Spam Firewall seem to be using an old version of the Barracuda Reputation database?
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How is the spam score calculated and emails categorized on my Barracuda Spam Firewall?
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How should I train the Bayesian database on my Barracuda Spam Firewall?
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Why is my Barracuda Spam Firewall blocking mail with a reason of "Invalid Domain"?
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How does the Bayesian database affect email received by my Barracuda Spam Firewall?
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Why is it suggested that the Bayesian Database be turned off by default?
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Why do messages that I classify as "Spam" still come back? Aren't they blocked?
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Why are the Spam and Not Spam buttons missing from the Barracuda Spam Firewall web interface after updating to firmware version 4.0?
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Why are messages being blocked if I have my Block Score set to 10 (disabled) on my Barracuda Spam Firewall?
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Why does the web interface time out when messages are marked as Spam or Not Spam on the Barracuda Spam Firewall?
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Why am I getting the message "Alert: Spam classification is not effective until at least 200 spam/not spam classifications have been made" on my Barracuda Spam Firewall?
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How do I reset the Bayesian database on the Barracuda Spam Firewall?
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Why is my Barracuda Spam Firewall frequently contacting Barracuda Networks' servers?
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What tasks does the Barracuda Spam Firewall's mail client plugin perform?
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Why won't my Barracuda Spam Firewall Lotus Notes plugin mark my messages as read when I mark them as Spam or Not Spam?
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Why do emails receive a negative spam score on the Barracuda Spam Firewall?
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How can I perform a manual (not automated) backup on my Barracuda Spam Firewall?
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Can attachments from a message be extracted and delivered separately from my Barracuda Spam Firewall?
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Why are emails being blocked for an 'empty' attachment filtering rule on my Barracuda Spam Firewall?
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How can I protect my Exchange server from TNEF attacks with the Barracuda Spam Firewall?
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How does the Barracuda Spam Firewall handle file attachment policy?
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Is the Barracuda Spam Firewall susceptible to Windows vulnerabilities?
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Why are my spreadsheet attachments being caught by my Barracuda Spam Firewall's Credit Card Pre-Defined Filter?
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How can I prevent valid Chinese language email from being marked as spam on my Barracuda Spam Firewall?
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How do I set a retention policy for the Message Log on my Barracuda Spam & Virus Firewall in firmware version 4.0 and above?
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Why are my API responses timing out / Why am I getting a 500 read timeout from my Barracuda Spam Firewall?
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Why is my XMLRPC API script stating "no such path"?
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API example: How can I query or set a user role, such as Helpdesk, through the API?
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Where can I find more information about the ending of support of older models of the Barracuda Spam & Virus Firewall?
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Where can I access the Barracuda Message Center via a legacy browser?
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What is the cuda_nsu SMTP response and why am I seeing it?
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How can I disable my spam controls on my Microsoft Exchange Server?
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How can I submit spam/virus/other messages from my Barracuda Spam & Virus Firewall to Barracuda Central?
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What should I do if I receive the message “Database is currently offline?” when accessing my Barracuda Spam & Virus Firewall?
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How can I check to see if a device is vulnerable to SSL Renegotiation (BNSF-17277 / CVE-2011-1473) ?
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How can I run a Message Log query on the Barracuda Spam and Virus Firewall for a single email address that will show total inbound or outbound emails for a specific time period?
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Why is the mail/log storage of my Barracuda Spam & Virus Firewall at exactly 75%?
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Why does an Equal Sign (=) show up at the end of attachments when using LOTUS/DOMINO for outbound mail?
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How can I setup my Barracuda Spam and Virus Firewall to deliver outbound messages for specific domains to specific servers?
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How can I resolve the ‘Invalid Domain’ error that I receive from my Barracuda Spam and Virus Firewall after uploading a backup onto firmware v5.1.2.005?
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How do I find the internet headers of an email in outlook 2007 AND 2010?
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Why is encryption not working on my Barracuda Spam & Virus Firewall?
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How do I configure Google Apps for inbound spam scanning?
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How Do I Set More Than One Quarantine Notification Time on my Barracuda Spam Firewall?
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Why is the Barracuda Spam & Virus Firewall scoring emails too high in Jan 2012?
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What is the maximum number of recipients per email that my Barracuda Spam & Virus Firewall supports?
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Why can't I see the Barracuda Spam & Virus message log and/or domain manager when I use IE9?
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Why am I unable to verify my domain when attempting to set up the Cloud Protection Layer for my Barracuda Spam & Virus Firewall?
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How can I fix problems with my Barracuda Spam and Virus Firewall Message Log that occur when using Internet Explorer?
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How do I establish a connection to Barracuda Networks support servers so Technical Support can access my Barracuda Product
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How do I configure Novell GroupWise to use the Barracuda Spam & Virus Firewall as a Smarthost?
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Where is the administrator's guide for my Barracuda Spam & Virus Firewall running Firmware Release 3.x or earlier?
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Where can I configure the Outbound Spam Scoring Limits in my Barracuda Spam & Virus Firewall?
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How can I upload an SSL certificate from Godaddy to my Barracuda Spam and Virus Firewall?
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Is there a report claiming superiority of McAfee over Barracuda Spam & Virus Firewalls?
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What factors should I consider when evaluating an appliance versus a cloud-based email security solution?
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Why am I seeing “Message log Delivery Detail: 250 2.6.0 Ok, duplicate quarantine message discarded” in the Message Log of my Barracuda Spam & Virus Firewall?
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Has the Test Configuration function changed in firmware 4.0 on my Barracuda Spam & Virus Firewall?
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Why is my Message Log not showing any records on my Barracuda Spam & Virus Firewall?
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How do I log into my Barracuda Spam & Virus Firewall if the unit was locked due to an incorrect IP range used for the Administrator IP/Range?
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How does the Barracuda Spam & Virus Firewall conform to industry standards?
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Why does the message log display "454 5.7.3 Client does not have permissions error, for reason of rejection" on my Barracuda Spam & Virus Firewall?
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Why am I seeing a decrease in the number of emails processed by the Barracuda Spam & Virus Firewall?
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What are the Security Definitions on my Barracuda Networks product? Why haven't they been updated recently?