Thunderbird : Issues

Before checking the following issues, you might want to check the official list of known issues for Thunderbird 1.0 Issues.

Getting & Sending Mail

• Cannot send mail; problems with outgoing server.
• Error message when getting mail: "This folder is being processed".
• Duplicate messages are received when downloading mail.
• No new messages appear in my Inbox (although you may have received an alert saying you have new messages.)
• Forwarded messages are not readable by the people I sent them to.

Message Display

• Cannot view images in messages.
• Incoming messages have a dot (period) at the end which was not typed by the sender.
• Some messages have strange characters in their body text when displayed.

Importing & Migrating

• Thunderbird shows empty folders after migrating my profile.
• Mail imported from Eudora is littered with html tags in the message body.

Miscellaneous

• Mail disappears from Thunderbird.
• When I create a new account, the account does not appear in the folders pane, and the mail for that account goes into Local Folders.
• Folder pane is not shown on the left-hand side of the main window.
• When I try to launch Thunderbird, it says my profile is already in use.
• Thunderbird forgets my password.
• Some of my mail files are huge, even though they contain few or no messages.
• Messages reappear after I've moved or deleted them.
• Cannot delete IMAP folders.
• When using the global Inbox, message filters do not run automatically on incoming mail. They can only be run manually.
• Junk mail isn't moved to the Junk folder.
• Antivirus software problems.