Email and messaging Read, send, and manage your emails and messages. Ci àngale Filelink for Large Attachments Blocking a sender Thunderbird and Gmail Archived Messages Automatic Account Configuration The difference between IMAP and POP3 Cannot send messages Ignoring threads Open Search How to create and use mailing lists on Thunderbird IMAP Synchronization Cannot receive messages Manual Account Configuration Hyperlinks in Messages Not Working Make Thunderbird the Default Mail Client Switch from POP to IMAP account Glossary of Terms including types of Accounts Changing IMAP to POP Configure an account What is the winmail.dat attachment? Maildir in Thunderbird Unify your POP email accounts with a global inbox New in Thunderbird 102