Extensions by Name

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SearchIMDB Requires Restart

Search the highlighted text at IMDB.

Rated 3 out of 5 stars (8)
3,866 users

SearchWith Requires Restart

Search selected text with various search services...

Rated 4 out of 5 stars (80)
1,698 users

SecondOpinion Requires Restart

This extension implements a convenient way to check and upload attachments against VirusTotal.com

Rated 5 out of 5 stars (1)
296 users

Secure Addressing Requires Restart

This add-on provides features to avoid sending emails to wrong addresses. Key features are a confirmation window of recipient's addresses upon sending, name and affiliation look up at mail composition and main windows, and safe auto completion.

Rated 5 out of 5 stars (20)
2,947 users

Security Settings from Address Book Requires Restart

Sets message security (sign/encrypt) when sending or saving messages based on recipients' address book entry's field "Custom1".

Rated 5 out of 5 stars (2)
481 users

Select Address Book Text Requires Restart

Copy and paste a name, phone number, address or other text from your Thunderbird address book quickly, with just a single menu click.

Rated 4 out of 5 stars (41)
5,882 users

Select Inbox Requires Restart

Automatically select the Inbox folder at startup, even if there is no account set to automatically check for new emails.

Important: the author will provide no other update for this add-on.

Rated 4 out of 5 stars (11)
3,597 users

SelectionSK Requires Restart

Pops up user menu with useful tools (copy, highlight, translation, search, etc.) when text is selected with the mouse

Rated 5 out of 5 stars (67)
1,321 users

Send and Archive Requires Restart

Adds a button to send an email and archive the original message.

Rated 5 out of 5 stars (10)
388 users

Send and File Requires Restart

Allows to file outgoing messages in folder you prefer

Rated 5 out of 5 stars (8)
543 users

Send Filter Requires Restart

This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.

Rated 4 out of 5 stars (39)
4,698 users

Send Format LDAP Requires Restart

Gets supported email formats (text/HTML) by the recipients from LDAP directories.

Not yet rated
5 users

Send Later Requires Restart

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (84)
72,283 users

Send Later Button Requires Restart

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

Not yet rated
3,678 users

Send to MyInfo Requires Restart

Sends text selection or current web page URL to MyInfo.

Not yet rated
81 users

Send to xNode Requires Restart

Sends content to xNode for analysis. Provides information on domain names, IP addresses, eMail addresses, certificates and much more.

Rated 5 out of 5 stars (1)
33 users

Sender Address Columns Requires Restart

Adds optional columns to the Thread Pane to allow sorting email messages by:
* Full sender address -- e.g. "someone@example.com"
* Sender's domain -- e.g. "example.com"
* Sender's local part -- e.g. "someone"
* Sender's TLD -- e.g. ".com"

Rated 5 out of 5 stars (3)
212 users

Sender Frequency Requires Restart

Adds a custom column for Sender Frequency to the thread pane

Rated 5 out of 5 stars (3)
97 users

Sender Name Requires Restart

Rated 4 out of 5 stars (40)
2,450 users

Sender Verification Anti-Phishing Extension Requires Restart

Protects you from phishing attacks by verifying the From: address domain name of emails as you read them. Sender Policy Framework (SPF) and DNS-based reputation lists are used.

Rated 4 out of 5 stars (20)
838 users