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Mail Redirect Requires Restart Uitgesoek

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

Rated 4 out of 5 stars (131)
42 930 gebruikers

Enigmail Requires Restart Uitgesoek

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Rated 4 out of 5 stars (199)
174 511 gebruikers

CompactHeader Requires Restart Uitgesoek

Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)

Rated 5 out of 5 stars (174)
137 715 gebruikers

Mail Merge Requires Restart Uitgesoek

Mass Mail and Personal Mail

Rated 5 out of 5 stars (147)
68 489 gebruikers

Adblock Plus Uitgesoek

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (5 047)
19 109 140 gebruikers

Lightning Requires Restart Uitgesoek

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Rated 3 out of 5 stars (1 938)
6 972 507 gebruikers