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.
3,682 users -
*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
35,484 users
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.110,671 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft70,844 users -
Check your emails for spelling and grammar issues68,884 users -
Switch the signature on/off or choose a new one from your predefined set.51,500 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.49,293 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).47,253 users
Top Rated See all »
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Quickly choose one of the previously selected colors for a message text1,734 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。530 users -
Macro Template is to replace mail templates with macros for date formatting.554 users
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Default "Reply" functionality pays attention to "Reply-To" in original email73 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.96 users
Recently Added See all »
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Applies the correct smart quotes („ ... “ instead of " ... ") used in Lithuanian, German, Czech, and other Central European languages. One click fixes your entire text.2 users
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This extension checks before sending an email that the type of the attached files is allowed and that the total size of the attached files respects a maximum limit. SAGE is the acronym for Safe Attachment Guard Extension.3 users -
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.23 users -
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/253 users -
Плагин для выбора поисковой системы при поиске выделенного текста.1 user
See all 227 extensions in Message Composition »
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