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ReloadPAC
Requires Restart
Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).
Lock The Text
Requires Restart
Encrypt your text data in browser before you submit it to a network
CapsKiller
Requires Restart
Caps Killer is a protection against newbies using caps in their mails.
Too Many Recipients
Requires Restart
Contourne la limite du nombre de destinataires/e-mail des serveurs SMTP.
Gets around the limit on the number of recipients/e-mail of SMTP servers.
Evita la limitación de número de destinatarios/e-mail del servidor SMTP.
Disable about:config
Requires Restart
Disable about:config feature of Firefox and Thunderbird.
DSN Settings 2
Requires Restart
Adds user interface settings for Delivery Status Notification (DSN) requests. This addon is useful for settings for Delivery Notification request and better experience with Notification Viewer addon.
Batch Copy
Requires Restart
Batch Copy creates a local copy of your IMAP account, copies all messages and maintains folder structure. Batch Copy can run incrementally to copy only new messages.
Clear IMAP Local Cache
Channel Guard
Requires Restart
Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.
Don't Send Linked Files
Requires Restart
Prevents sending of linked files if they are file: URLs.
Spoof Detector
PennyPost
Requires Restart
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.
To create your own collections, you must have a Mozilla Add-ons account.
