Configure Mozilla Thunderbird to work with SipherMail
mail.sipher.net993SSL/TLSNormal passwordmail.sipher.net587STARTTLSNormal passwordIn Thunderbird, go to Tools → Account Settings (or Edit → Account Settings on macOS)
Click "Account Actions" → "Add Mail Account"
Enter your name, SipherMail email address, and password. Thunderbird will attempt to auto-configure.
If auto-configuration fails, click "Manual config" and enter the server settings shown above.
Click "Done" and Thunderbird will test the connection. If successful, your account is ready to use.
Screenshot: Thunderbird account configuration screen