A free email application from Mozilla that`s easy to set up and customize

Thunderbird for Mac

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Download Thunderbird 91.2.1

  -  119 MB  -  Open Source

What's new in this version:

New:
- Preference added to disable automatic pausing RSS feed updates after a fetch failure

Fixed:
- Recipeint address pills in an error state could incorrectly merge with mailing list pills when expanding the list
- BCC-only messages could not be sent from the Outbox
- Default DSN request was not set when using "Edit as New Message"
- Vertical scrollbar in "Conversations" chat panel did not work correctly
- Chat account "Advanced Options" dialog had no clickable buttons on macOS
- RSS feed attachments could not be saved
- Public ICS calendars served with an incorrect Content-Type could not be added
- Setting a CalDAV calendar to manually update had no effect
- CalDAV calendars set to read-only became writable after restarting Thunderbird
- Saving a copy of a calendar invite (More -> Save As Copy) did not work
- Events in the first or last week of a month were not always printed when printing a month view
- Accessibility improvements; clearer display of area of focus
- Various theme improvements, HiDPI improvements
- "Attachments" menu panels for attached files were empty
- Stability improvements

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