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以后发送 需要重开 精选

以后发送用来预定发送消息的时间并延期发送

评分5星,满分5星 (152)
77,484 位用户

Signature Switch 需要重开 精选

Switch the signature on/off or choose a new one from your predefined set.

评分4星,满分5星 (207)
63,620 位用户

Mail Merge 需要重开

Create and Save or Send Multiple Individual and Personalized Messages from a Draft

评分5星,满分5星 (176)
63,168 位用户

Owl for Exchange

Allows you to use your Exchange email accounts that use Outlook Web Access (OWA) with Thunderbird

评分4星,满分5星 (25)
26,613 位用户

Stationery 需要重开

用于模仿Outlook Express信纸的扩展,此扩展允许你使用HTML文件作为邮件模板,并且允许在回复和转发邮件中自定义模板!

评分4星,满分5星 (135)
25,447 位用户

ThunderPEC 需要重开

ThunderPEC semplifica la gestione della Posta Elettronica Certificata (PEC) e delle comunicazioni PCT e FatturaPA in Thunderbird.

评分5星,满分5星 (20)
22,574 位用户

Flex Confirm Mail 需要重开

Confirm mail address and attachments based on flexible rules.

评分4星,满分5星 (7)
18,599 位用户

Check and Send 需要重开

Check the message contents and addresses before you send the message...

评分4星,满分5星 (31)
18,243 位用户

Auto Resize Image 需要重开

Resizer for inline and attachment images (JPEG, PNG, BMP and GIF image formats).
All platforms are supported (Windows, Linux and Macintosh).

评分4星,满分5星 (42)
15,039 位用户

Emoji 需要重开

Add emojis to your e-mails.

评分4星,满分5星 (23)
13,686 位用户

SmartTemplate4 需要重开

SmartTemplate⁴ 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.

评分5星,满分5星 (57)
12,313 位用户

Highlighter 需要重开

Quickly highlight some text in Thunderbird message composing windows.

评分4星,满分5星 (75)
10,601 位用户

Send Later Button 需要重开 精选

A simple button to invoke the (already existing) send later functions.

评分4星,满分5星 (3)
9,102 位用户

Shrunked Image Resizer 需要重开

Make your photos smaller, so they don't take forever to email.

评分4星,满分5星 (44)
7,287 位用户

ThunderHTMLedit 需要重开 精选

Thunderbird HTML editor. This add-on adds a HTML tab to the composition window where you can see and edit the HTML source of the message.

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6,951 位用户

Grammar Checker 需要重开 精选

Checks grammar using LanguageTool.

评分3星,满分5星 (13)
5,945 位用户

Nextcloud for Filelink 需要重开

"Nextcloud for Filelink" is an Open Source Thunderbird extension which makes it easy to send large attachments with Thunderbird by uploading them first to a Nextcloud server and by then inserting the link into the body of your email.

评分3星,满分5星 (40)
5,851 位用户

Automatic Dictionary 需要重开

Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.

评分5星,满分5星 (40)
5,732 位用户

ReplyWithHeader 需要重开

Outlook style headers and few goodies for Thunderbird & Postbox.

评分5星,满分5星 (30)
5,651 位用户

CategoryManager 需要重开

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

评分5星,满分5星 (9)
5,401 位用户