邮件撰写

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以后发送

以后发送用来预定发送消息的时间并延期发送

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100,629 位用户

Mail Merge

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

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66,708 位用户

Grammar and Spell Checker — LanguageTool

Check your emails for spelling and grammar issues

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59,403 位用户

FileLink Provider for Dropbox

Uploads your large attachments to your Dropbox instead of sending them by email. This uses Thunderbird's FileLink feature.

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51,778 位用户

Signature Switch

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

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49,361 位用户

Owl for Exchange

Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).

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47,770 位用户

FileLink provider for Send

Securely encrypt and upload large attachments to any Send service instance (formerly Firefox Send).

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42,890 位用户

Textmarker

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.)

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37,833 位用户

*cloud - FileLink for Nextcloud and ownCloud 精选

Upload large attachments to your Cloud and send the link by email

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34,190 位用户

Emoji

Add emojis to your e-mails.

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25,359 位用户

Check and Send

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

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20,176 位用户

FlexConfirmMail

Confirm mail address and attachments based on flexible rules.

(This project was renamed from "Flex Confirm Mail" to "FlexConfirmMail", due to a branding reason.)

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17,950 位用户

FileLink Provider for Box

Uploads your large attachments to your Box instead of sending them by email.

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14,093 位用户

Shrunked Image Resizer

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

*Shrunked Image Resizer is no longer maintained.*

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13,975 位用户

ReplyWithHeader

Outlook style headers and few goodies for Thunderbird.

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10,761 位用户

Simple Mail Redirection

提供重定向(转送)邮件消息至其他收件人的功能。

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8,507 位用户

BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

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7,697 位用户

CategoryManager

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

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7,636 位用户

Attach from Clipboard

Create file attachments directly from the system clipboard.

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6,486 位用户

Identity Chooser

Identity Chooser helps you to always use the correct identity when composing a new email.

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6,206 位用户