Mail basics
- Masked Email
- How to set up aliases
- Identities
- Auto-purge
- Drafts
- Change your mailbox's sorting, view, and preview
FAQs
Troubleshooting
- Sending from other addresses: OAuth2
- Connection issues
- Lost messages
- Problems deleting via email client
- Making Fastmail the default mail app in iOS
- Email client certificate error
Technical
- Email standards
- Plus addressing and subdomain addressing
- Backscatter
- SSL, TLS, and STARTTLS
- The email delivery process
- Sender authentication
Other
- Screening emails
- Mute conversations
- Conversations
- Undo send
- How to create a signature
- Spam filtering