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Stationery Requires Restart

Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!

Rated 4 out of 5 stars (168)
1,001 users

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AdvancedTasks Requires Restart

Thunderbirds Lightning Extension: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.

Rated 4 out of 5 stars (9)
11 users

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Outgoing Message Format Requires Restart

Set the default outgoing message format to Auto-Detect, Plain Text Only, Rich Text (HTML) or Plain and Rich (HTML) Text.

Rated 4 out of 5 stars (15)
24 users

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Don't Send Linked Files Requires Restart

Prevents sending of linked files if they are file: URLs.

Rated 1 out of 5 stars (1)
0 users

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