# Customs email headers and/or subjects tags

**URL:** <https://meta.discourse.org/t/customs-email-headers-and-or-subjects-tags/16873>\
**Category:** Feature\
**Created:** [June 25, 2014, 8:24pm UTC](https://meta.discourse.org/t/customs-email-headers-and-or-subjects-tags/16873 "2014-06-25T20:24:01Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![mattdm](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/mattdm/32/216484_2.png) [@mattdm](https://meta.discourse.org/u/mattdm)\
**Post date:** [December 17, 2020, 11:38pm UTC](https://meta.discourse.org/t/customs-email-headers-and-or-subjects-tags/16873/5 "2020-12-17T23:38:45Z")

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Can formatting things like ` %{optional_pm}%{optional_cat}%{topic_title}` go in the custom headers?

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_[View the full topic](https://meta.discourse.org/t/customs-email-headers-and-or-subjects-tags/16873)._