Mailster v.1.5.4 brings several new features, improvements and bug fixes.


  • Introduce new text variables {orig_to} and {orig_cc} to include original TO and CC addressees in the email content (header or footer text)
  • Add permissions for managing subscribers: individual and via group (two separate permissions)
  • Add permissions for CSV import / export


  • Blocked users are not part of recipients anymore and are not shown in admin UI for adding as recipients
  • For sender control checking consider @GMAIL.COM and @GOOGLEMAIL.COM the same


  • Display correct thread title in frontend archive
  • Show profile shortcode dialog also if only unsubscription is allowed
  • Fix timezone issues
  • Fix MIME encoding issue (multiple CC addresses)
  • Avoid Javascript errors on frontend in email and threads archive
  • Fix PHP warnings

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