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From "Kevin A. McGrail (JIRA)" <>
Subject [jira] [Created] (COMDEV-259) SpamAssassin Size Check Improvements
Date Sun, 04 Feb 2018 10:34:00 GMT
Kevin A. McGrail created COMDEV-259:

             Summary: SpamAssassin Size Check Improvements
                 Key: COMDEV-259
             Project: Community Development
          Issue Type: Project
          Components: GSoC/Mentoring ideas
            Reporter: Kevin A. McGrail

SpamAssassin is a computationally expensive process to run.  It is more costly as emails
get larger.

So SA has safety valves to prevent excessive usage and DoS by limiting the maximum size of
emails processed.

Spammers sometimes try and get around this with short messages and large attachments to bypass

There are techniques that exist to truncate emails that are sometimes less effective so this
task would be to identify better techniques in order such as:

For example:
 * remove attachments for scanning
 * Check size and scan if small enough
 * Truncate the message after closing any open tags
 * scan

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