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Mail System provides an Administrative UI and
Developers API for safely updating the mail_system
configuration variable.

Other email modules that make use of Backdrop's
mailing system include

  • simplenews
  • simplenews_scheduler
  • mimemail
  • mandrill
  • smtp
  • views send


  • Install this module using the official Backdrop CMS instructions at

  • Use the configuration page at /admin/config/system/mailsystem to
    set one available mail system class as the system-wide default and
    the class to use for each email module currently installed.


This project is GPL v2 software. See the LICENSE.txt
file in this directory for complete text.

Current Maintainer for Backdrop

Graham Oliver (


Port to Backdrop

  • Graham Oliver (
  • Andy Martha (

Maintainers for Drupal:

  • Sascha Grossenbacher (Berdir)
  • Nik Alexandrov (Nafes)
  • Les Lim (Les_Lim)
  • Robert Vincent (pillarsdotnet)


This port to Backdrop would not, of course, be possible without all
the work done by the developers and maintainers of the Drupal module.