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.
3,697 users -
*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
37,114 users
محبوبترین مشاهده همه »
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True "Send Later" functionality to schedule the time for sending an email.117,320 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft72,464 users -
Check your emails for spelling and grammar issues71,463 users -
Switch the signature on/off or choose a new one from your predefined set.50,630 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).50,007 users -
Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.47,814 users
بالاترین رتبه مشاهده همه »
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Quickly choose one of the previously selected colors for a message text1,365 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。489 users -
Macro Template is to replace mail templates with macros for date formatting.588 users
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Default "Reply" functionality pays attention to "Reply-To" in original email56 users
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Create and Save or Send Multiple Individual and Personalized Messages from a Draft72,464 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.89 users
به تازگی افزوده شده مشاهده همه »
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Send files directly from Thunderbird using PARAMANT — post-quantum encrypted, burn-on-read. Files are destroyed after first download. Requires a free PARAMANT API key.0 users
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This extension adds an ‘Undo Send’ feature to Thunderbird—just like Gmail’s Undo Send—giving you 10 seconds to cancel an email after clicking Send.8 users -
A lightweight Thunderbird add-on that allows you to add private comments to emails. These comments are stored as "Unsent Replies" directly within the same folder as the original message, ensuring your notes sync across all your devices.8 users
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Summarize emails and refine selected text using your own AI API. Set your OpenAI-compatible endpoint and key in options; no built-in backend. Summarize when reading mail; Refine with one click in the compose toolbar, then Insert to replace the text.4 users -
When replying to an email this will set a "Customize From Address..." with the original recipient.
This is useful when using custom email addresses with plus addressing or a catch-all.
If a name is missing it will use the name of the set identity.1 user
See all 296 extensions in Message Composition »
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