Server Settings
IMAP host
imap.fastmail.comIMAP port
993 (SSL/TLS)SMTP host
smtp.fastmail.comSMTP port
587 (STARTTLS)Authentication
App PasswordSetup Steps
- 1
Log in to Fastmail, go to Settings → Privacy & Security
- 2
Scroll to "Passwords" → "App passwords" and click "New App Password"
- 3
Give it a name (e.g. "TELVRIX") and select Mail access scope
- 4
Copy the generated App Password
- 5
In TELVRIX, select "Fastmail" as your provider
- 6
Enter your Fastmail email address and the App Password
Known Limitations
- App Password is strongly recommended over your Fastmail master password
- Custom domain accounts use the same server settings
Official Fastmail help documentation
Open guide