Add-ons
Message Composition
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SmartTemplates
SmartTemplates offers an easy and powerful way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every mail identity, Stationery files can now be imported and used directly.
4,068 users -
*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
38,273 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.118,480 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft77,102 users -
Check your emails for spelling and grammar issues74,418 users -
Switch the signature on/off or choose a new one from your predefined set.57,315 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.53,659 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).51,340 users
Top Rated See all »
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Quickly choose one of the previously selected colors for a message text1,896 users -
Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。590 users -
Macro Template is to replace mail templates with macros for date formatting.594 users
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Default "Reply" functionality pays attention to "Reply-To" in original email79 users
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Warns if you send mail from or to a specified domain. If there are multiple accounts in your profile, you can isolate one so that you can't send mail to that domain from outside or vis versa without warning.98 users
Recently Added See all »
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This Thunderbird add-on fills the gap left by the modernized Attach-From-Clipboard add-on, which is no longer able to paste files from the clipboard as attachments after migrating away from legacy Mozilla code.1 user -
Confirm mail address and attachments based on flexible rules.
This edition will have incompatible changes. Another edition for enterprise users with less changes:
https://addons.thunderbird.net/thunderbird/addon/flex-confirm-mail-stable/141 users -
Плагин для выбора поисковой системы при поиске выделенного текста.2 users
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A set of Quicktext scripts maintained by the community21 users
See all 225 extensions in Message Composition »
To create your own collections, you must have a Mozilla Add-ons account.
