Add-ons
Message Composition
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*cloud - FileLink for Nextcloud and ownCloud
Upload large attachments to your Cloud and send the link by email
43,421 users -
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.
4,118 users
محبوبترین مشاهده همه »
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True "Send Later" functionality to schedule the time for sending an email.130,046 users -
Create and Save or Send Multiple Individual and Personalized Messages from a Draft83,439 users -
Check your emails for spelling and grammar issues82,738 users -
Switch the signature on/off or choose a new one from your predefined set.59,022 users -
Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).57,447 users -
Highlights selected text when composing emails. Default colour is yellow - other colours are available via Options.
(Works only during writing an e-mail, i.e. only in the compose window.)54,428 users
بالاترین رتبه مشاهده همه »
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Quickly choose one of the previously selected colors for a message text2,085 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。518 users -
Macro Template is to replace mail templates with macros for date formatting.629 users
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Default "Reply" functionality pays attention to "Reply-To" in original email66 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.100 users
به تازگی افزوده شده مشاهده همه »
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Quill lets you integrate AI writing assistance (Ollama, OpenAI, or Claude) to help you write or respond to emails un Mozilla Thunderbird.0 users -
Claify est une extension Thunderbird qui intègre l'intelligence artificielle Claude (Anthropic) directement dans votre client email. Résumez, traduisez, corrigez et rédigez vos emails en un clic.
Fait avec ❤️ par Supersonique Studio1 user -
Highly-customizable and performant extension for @-mentions inside Thunderbird.7 users -
GPT/Gemini/Claude対応。返信画面でワンクリック or ショートカットキーでAI返信を自動生成。トーン選択可能（前向き・お断り・カスタム）10 users -
AI-powered email assistant for Thunderbird. Write, polish, and translate emails. Get smart summaries of unread messages. Works with OpenAI, DeepSeek, or custom providers.3 users
See all 268 extensions in Message Composition »
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