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Keyword Expressions

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This article refers to Barracuda Message Archiver Legacy Release firmware or higher.

See also: Keyword Expressions in How To Videos

Keyword expressions allow you to construct your own complex queries in Advanced Search, letting you combine multiple keyword-based search terms that follow this basic syntax: search_field:phrase . For example, to search for all messages containing "Alert" or "Notification" anywhere in the Subject field,

  1. Click the BASIC > Search tab, and then click Advanced.
  2. Select Email as the item type, and then select Keyword Expression as the parameter.
  3. In the text field, type: subject:"Alert" OR subject:"Notification"
  4. Click Search to return all matching search results.

Table 1. Commonly used search_field values.

Term Description Search Type
to  Search is limited to the To and Cc fields of each message Text
from  Search is limited to the From field of each message Text
domain  Search is limited to the domain names in the From, To, and Cc fields of each message Domain
subject  Search is limited to the Subject line of each message Text
body Searches are performed in the Body of each message as well as in the contents of any message attachments Text
attachment  Search is limited to the contents of message attachments Text
all  Searches all fields and all data contained in each message Text
stored_size The actual message size on disk Integer number
size The raw size of the message Integer number
header_date The date header from the mail  Text
header_barracuda_envelope_rcpt_pretty_name The envelope recipient's pretty name  Text
header_barracuda_envelope_rcpt_user  The envelope recipient  Text
header_bcc The Bcc: header Text
header_to  The To: header  Text
header_in_reply_to  The In reply to: header  Text
header_barracuda_envelope_rcpt_domain The domain of the envelope recipient  Text
header_from  The From: header  Text
header_barracuda_envelope_rcpt_message_mode  Inbound / Outbound / Internal Text
header_barracuda_envelope_rcpt_addr Email address of envelope recipient  Text
header_subject Subject of the email  Text
header_message_id The message ID header  Text
object_type Type of entry (calendar, mail, etc.)  Text
body_excerpt  The body of the email  Text
attachment_name The attachment name  Text
attachment_mimetype  The attachment MIME type Text
attachment_extension The attachment's extension  Text

You may specify other search_field values as long as the correct name for the field is used. Consult Barracuda Networks Technical Support if you are unsure of the exact syntax.

The phrase can only contain a single item. However, that one item can be any one of the following:

  • a single Text-based string;
  • a single Integer number-based string;
  • a single Wildcarded string;
  • a single Domain-based string (for to and from search_field only);
  • a single compound search string created by combining multiple strings with the keywords AND and OR, and grouping the phrases with parentheses to control the logic.

    When creating compound search strings, the keywords 'AND' and 'OR' must be capitalized.

Table 2. Sample keyword expressions.

to:chrislee All messages that have "chrislee" in the To or Cc fields. All messages containing "" anywhere in the To field.
subject:"Barracuda Message Archiver" All messages that contain the exact phrase "Barracuda Message Archiver" anywhere in the Subject line.
domain:( OR All messages that were sent to or from any user in either the "" or "" domain. All messages sent to any user in the domain.

Proximity Syntax Form

For the keyword proximity syntax form, each keyword must be in a single Text-based string. Enter the keyword proximity syntax as search_field:"keyword keyword"~NumericValue, where search_field is the part of the email to search through.

Note that proximity searches do not support wildcards.


Table 3. Sample proximity syntax.

subject:"release Barracuda"~4 All messages containing "release" and "Barracuda" in the Subject field within four words of each other.
to:"Zac Britt"~4 All messages containing "Zac" and "Britt" anywhere in the To field within four words of each other.

Fuzzy Search Syntax Form

Fuzzy search allows you to find words that are similar to a specified search term. For the fuzzy search syntax, enter a single keyword followed by the tilde (~). For the fuzzy search syntax form, the keyword must be in a single Text-based string.

Table 4. Sample fuzzy search syntax.

roam~ All messages containing words similar to roam, for example, foam, roams.
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