1.7.3 Bugfix Release (December 16th, 2021)

Mailster version 1.7.3 fixes an installation problem introduced in version 1.7.2


  • Fix installation time problem introduced in 1.7.2 (mailing lists got deactivated but not reactivated)

1.7.2. Bugfix Release (December 10th, 2021)

Mailster v.1.7.2 brings some improvements and fixes for improved Joomla 4 compatibility


  • Support longer passwords, list names and subject prefixes (previous limit was 45 characters, now increased to 191)
  • Improve the user interface for the user edit view


  • Fix Joomla 4 incompatibilities (subscriber plugin, error handling)
  • Fix PHP warnings and notices

1.7.1. Bugfix Release (November 7th, 2021)

Mailster v.1.7.1 fixes a few bugs


  • Fix performance issue in emails archive (pagination inefficiency)
  • Fix frontend archive (mails / threads views) to work with Joomla 4

1.7.0 Major Release (November 5th, 2021)

Mailster v.1.7.0 is the first release working with Joomla 4.


  • Joomla 4 compatibility (Joomla 3.x still supported)
  • Business and Ultimate Edition: attachments are included in moderation requests (moderators can review attachments).
    Setting on by default, can be deactivated in global settings.


  • Turn off opportunistic STARTTLS for imap_open


  • Fix situations where the connection check button was not working
  • Fix mailbox connection (pulling in secure authentication when not setup)
  • Fix problem when inserting mail to DB
  • Fix recipient hover display in mail archive's send reports
  • Fix PHP warnings and noticese when already moderated (approved) message gets approved again

1.6.0 Major Release (May 3rd, 2021)

Mailster v.1.6.0 does technical groundwork to support PHP 8 and move towards Joomla 4 (although not compatbile yet).


  • PHP 8 compatibility
  • Joomla 2.5 is no longer supported in order to prepare for the coming Joomla 4


  • Fix email charset problem leading to plus letters being omitted
  • Do not add mail recipients to queue when already moderated (approved) message gets approved again

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