Email and messaging Send and receive email Everything you need to know about sending and receiving emails. All All articles and threads Contacts Send and receive email Import and export email Calendar In English Filelink for Large Attachments Blocking a sender Remote Content in Messages Message threading in Thunderbird - keep messages grouped by conversation Archived Messages Organize Your Messages by Using Filters Signatures Ignoring threads Cannot send messages Open Search IMAP Synchronization New Email Address How to create and use mailing lists on Thunderbird Cannot receive messages Hyperlinks in Messages Not Working Sending and Receiving Messages on Thunderbird How to Use Attachments Message List Columns Message Tags - Categorize your email in Thunderbird Global Search Quick Filter Toolbar How can I send a large attachment? Archiving Messages Inbox or Other Folder Full What is the winmail.dat attachment? How can I avoid to reach the "over quota" limits of my mail server? File Link FileLink Digitally Signing and Encrypting Messages How Thunderbird’s scam detection works? Addressing an Email Compact Inbox or Other Folder Ignoring threads Redirect 1 Unify your POP email accounts with a global inbox