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11.3. STRIPPING ATTACHMENTS
11.3
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Stripping Attachments
In addition to delaying, holding or rejecting mail based on characteristics of attachments, CanIt-PRO
can strip attachments out of messages before forwarding the message. You can configure CanIt-PRO
to strip out attachments and store them for retrieval via the Web interface, or simply to strip them out
and discard them.
Attachment-stripping rules can be set per-stream, but only the CanIt-PRO administrator can create
or edit attachment-stripping rules; normal users cannot. In addition, all streams inherit default’s
attachment-stripping rules, even if the “Inherit rules from ’default’ stream” setting is set to No.
To create attachment-stripping rules:
1. Click on Rules and then Attachment Stripping. You see the Attachment Stripping Screen:
Figure 11.2: Attachment-Stripping Rules
2. Enter a filename pattern in the Filename Pattern box. This pattern is interpreted exactly as for
Delayed Attachments.
3. Enter a comment in the Comment box.
4. Choose an Action setting to determine how CanIt-PRO handles the filename pattern:
• Keep in Message indicates that CanIt-PRO should not strip the attachment out. This
setting can be used in a particular stream to override settings in default.
• Strip and Store on Server indicates that CanIt-PRO should remove the attachment and
store it in the PostgreSQL database. CanIt-PRO will also add a message indicating that
the attachment was stripped, and provide a link whereby the message recipient can retrieve
the attachment.
• Strip and Discard indicates that CanIt-PRO should remove and discard the attachment.
CanIt-PRO will add a note to the message indicating that the attachment was discarded
and cannot be retrieved.
5. Click Submit Changes to create the rule.
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