Mail Merge

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

Enviar mais tarde

Funcionalidade do “Enviar mais tarde” para marcar a hora de envio

Signature Switch

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

Emoji

Add emojis to your e-mails.

Check and Send

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

SmartTemplates Em destaque

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.

Automatic Dictionary

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.

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.)

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).

Shrunked Image Resizer

ReplyWithHeader

Outlook style headers and few goodies for Thunderbird.

Identity Chooser

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

Attach from Clipboard

Create file attachments directly from the system clipboard.

ReFwdFormatter

Remove the ">" prefix from quote when you make a reply.

[Source code] https://github.com/isshiki/ReFwdFormatter

SubSwitch

Simplify email categorization - it will be easier for you and others to manage mail. Define the set of prefixes for all emails you send or let SubSwitch to autodiscover it. While writing insert prefix to the title - choose one from your set.

Copy Message ID

Adds a button to the message view toolbar to copy the message ID to the clipboard. This is useful when sending email replies via the command line.

Macro Template

Macro Template is to replace mail templates with macros for date formatting.

NestedQuote Remover

Remove nested quotes when replying to a mail.

Single Domain

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.

RemindIt

Help in reminding mails to be answer or sent again. Choose a reminder date for each received or send message that are highlighted in the message list, depending on their status (expired, soon to exprire, to be reminded). Sending a reminder is eased.