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Join-NG Requires Restart

Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".

Rated 5 out of 5 stars (5)
745 users

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Spamness Requires Restart

Visual representation of how spam-like messages are.

Rated 3 out of 5 stars (21)
6 users

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DisableChunks Requires Restart

The addon modifies the mail.imap.min_chunk_size_threshold preference value by setting it to 100000000.
It is a workaroud to bug 1216951

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1 user

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Valencian Catalan dictionary

Free Catalan (Valencian version) spelling dictionary.

Rated 4 out of 5 stars (32)
714 users

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Set Default Columns Requires Restart

Provides ability to set default visibility of columns in the thread pane.

Rated 4 out of 5 stars (3)
41 users

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SortPref Requires Restart

Adds the ability to control primary, default sorting and threading options.

Rated 4 out of 5 stars (12)
44 users

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Mark Junk Read

Automatically marks all messages in junk folders as read.

Rated 5 out of 5 stars (9)
30 users

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NirvanaHQ Requires Restart

NirvanaHQ for Thunderbird

Rated 5 out of 5 stars (1)
0 users

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Subject Cleaner Requires Restart

Remove extra strings from the subject while composing the message.

Rated 4 out of 5 stars (13)
139 users

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Enhanced Desktop Notifications

Provides enhanced new mail desktop notifications using the notify-send library. Linux only.

Rated 3 out of 5 stars (9)
26 users

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Flexible Identity Requires Restart

Selects an identity based on the recipients list when sending an email

Rated 4 out of 5 stars (39)
220 users

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Greek Polytonic Spelling Checker

Διορθωτὴς πολυτονικῶν κειμένων σύμφωνος μὲ τὴν ἑλληνικὴ ἱστορικὴ ὀρθογραφία.

Rated 5 out of 5 stars (8)
24 users

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Tamil Spell Checker for Firefox

Tamil Spell Checker Plugin for Firefox

Rated 1 out of 5 stars (1)
109 users

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CodeHighlight Requires Restart

highlight code in email.

Rated 3 out of 5 stars (1)
2 users

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ReloadPAC Requires Restart

Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).

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0 users

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Corrector de Galego

Corrector ortográfico de galego baseado na Normativa da RAG do 2003.
Conten a versión comunidade.
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Galician spellchecking dictionary based on the 2003 RAG Standard.
This extension contains the version comunidade.

Rated 5 out of 5 stars (7)
1,283 users

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Zonio Freebusy for Lightning Requires Restart

Finds when are people available for a meeting or event via Zonio Freebusy service. Displays freebusy blocks instantly in Invite Attendees window while attendees are being added. Works with both local calendar storage or any calendar provider.

Rated 1 out of 5 stars (1)
0 users

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Gravatars Requires Restart

Show a column with the Gravatar-picture and sender-name in email folders.

Rated 4 out of 5 stars (2)
3 users

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Icelandic Dictionary

Icelandic Dictionary

Rated 4 out of 5 stars (14)
189 users

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Greek Spellchecker - Dictionary

Ένα πλήρες συμβατό με τις τελευταίες εκδόσεις, Ελληνικό λεξικό, για όλες τις εφαρμογές της οικογένειας του Mozilla (Firefox - Firefox for Android - Mobile - Thunderbird - Seamonkey).

Rated 5 out of 5 stars (3)
135 users

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