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Add header's Message-ID field to References field for Trac.
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This single file plugin for Trac will add header's Message-ID field to References field.


Amazon SES will change header's Message-ID to its own format, which causes mail clients unable to identify the first mail and other followings are in the same thread. (Mails from second mail have References field.)

This plugin is a workaround plugin. It will copy Message-ID to References if no References field existed, which rebuild relationship between first mail and other followings.


  • This plugin is a single file plugin, so you'll need to copy into Trac's plugins/ directory.
  • Restart Trac process.
  • Enable it in admin interface's plugin section.

See also is also trying to solve this issue, with different approach.


See LICENSE file.

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