This solution applies to Barracuda SSL VPNs, all firmware versions.
Mail Checking is a feature that can inform a user how many unread emails they have when they log in and provide a shortcut link to a configured web forward resource to directly access their email.
You can find the mail checking options in Resources > Configuration > Mail Checking.
The options for mail checking are:
Mail Reader Web Forward: You may select a Web Forward from this drop down list that you have already configured for your email server. When a user is presented a message telling them how many emails they have, that message then becomes a link to open this web forward.
Protocol: You may select IMAP4, POP or disable this option here.
Hostname of mail server: The hostname of the mail server to connect to and check for user's emails.
Default folder: The folder on the mail server to search for new emails.
Check interval: How many seconds to delay between each check for new emails.
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