Privacy and Security

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Sensitivity Header

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.

Not yet rated
2 users
Added August 13, 2015

SecondOpinion

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

Not yet rated
3 users
Added June 19, 2015

Steganografi menggunakan PIT dan PRNG

Add-on penyisipan pesan pada gambar menggunakan PIT dan PRNG

Not yet rated
1 user
Added May 26, 2015

Force Authentication at Startup.

Always ask password and hide UI at the startup.

Not yet rated
4 users
Added March 5, 2015

clamdrib LIN

"clamdrib LIN" ist wie der Name schon sagt die Weiterentwicklung des Add-on clamdrib, allerdings nur noch für Linux. Sämtliche E-Mails, Feeds und News werden auf Viren und anderes Ungeziefer geprüft und gemeldet. Gelöscht wird hierbei jedoch nichts!

Not yet rated
177 users
Added February 25, 2015

ThunderSec

ThunderSec is a security extension that provides several pieces of additional security functionality, including DNS-based Blackhole List (DNSBL), Realtime Blackhole Lists (RBL), DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF).

Rated 4 out of 5 stars (1)
88 users
Added February 15, 2015

pass-manager

Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)

Rated 3 out of 5 stars (1)
24 users
Added January 10, 2015

CryptoData

Easily and quickly to encrypt / decrypt
For users: private messages via e-mail, blogs, social networks, forums, etc.
For webmasters: websites, images, photos, etc.
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (4)
1,161 users
Added January 2, 2015

Netlux Adblocker No Restart

Block unwanted ads.

Not yet rated
100 users
Added November 20, 2014

Sender Address Columns

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

Rated 5 out of 5 stars (1)
74 users
Added October 27, 2014

enMailing for Thunderbird

Encrypted email made easy.

Not yet rated
2 users
Added June 14, 2014

Element Hiding Helper for Pan No Restart

Help you create element hiding rules for Pan to fight the text ads.

Rated 4 out of 5 stars (3)
427 users
Added May 30, 2014

Pan No Restart

Block ads and manage proxy.

Rated 5 out of 5 stars (59)
2,245 users
Added May 30, 2014

Disable about:config

Disable about:config feature of Firefox and Thunderbird.

Rated 1 out of 5 stars (1)
242 users
Added February 23, 2014

Disable Addons

Disable Addons.

Rated 2 out of 5 stars (1)
4 users
Added February 23, 2014

Do Not Save Password

Prevents to save passwords.

Not yet rated
20 users
Added February 23, 2014

PennyPost

This extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.

Rated 5 out of 5 stars (2)
25 users
Added February 19, 2014

Cert Importer

Imports certs automatically.

Not yet rated
278 users
Added February 18, 2014

Clear IMAP Local Cache

Clears IMAP local cache on startup.

Rated 5 out of 5 stars (1)
338 users
Added February 18, 2014

Flex Confirm Mail

Confirm mail address and attachments based on flexible rules.

Rated 1 out of 5 stars (1)
5,310 users
Added February 18, 2014