This is mostly a bug-fix release for issues found in the v11.12.0 release of Dada Mail.
Bugfixes
Image resizing using Image::Scale does not work correctly
https://github.com/justingit/dada-mail/issues/989
Recurring schedules that grab content from an outside source (webpage, feed) which fail during constructing and sending still update MD5
https://github.com/justingit/dada-mail/issues/986
Content-Encoding never changed in messages received via Bridge
https://github.com/justingit/dada-mail/issues/985