Fastmail Tips and Resources

How to View Full Email Source and Header in Fastmail

Wondering what hides behind an email’s surface? Need to access an email’s raw source for troubleshooting, tracing or...

Wondering if you can find out who really sent a mysterious email? Eager to trace a message’s path? Getting full...

Tired of Fastmail’s habit of always showing every vaguely related email alongside the one you’ve just opened? Find out...

Error messages haunt you when you try to send mail with Fastmail in your favorite email app? To send mail using a...

If you want to download mail from Fastmail to a device or computer, you need an application password. Find out here...

Scrolling through a sea of emails just trying to select a special handful — or all unread messages perhaps? Whether...

Want to open two emails side by side or a reply alongside the original message perhaps? You don't have to open...

You scroll and search and swear that email was just here, but it’s buried under newsletters and forgotten...

Is your Fastmail inbox a chaotic pile of newsletters, receipts and half-glazed messages from three months ago? Don’t...

Forwarding an email to yourself just to add a note — again? Wish you could add a few words to make sure you’ll find a...

Experiencing issues and errors with Fastmail and wondering if it’s your setup or everybody’s mailbox that has gone...

Can’t get emails from Fastmail to download to your favorite email program? Looking for the exact settings to use? Find...