Certificate fingerprints

These are the fingerprints for Fastmail SSL/TLS certificates. They can be useful if you need to confirm that non-browser connections are secure.

app.fastmail.com, imap.fastmail.com, smtp.fastmail.com, etc

  • SHA-1 fingerprint: 85:40:13:27:54:2F:A0:E3:4F:1A:35:6F:E0:9C:97:F8:03:FB:F5:54
  • SHA-256 fingerprint: 62:DF:A6:C1:0F:2A:E3:70:71:C9:FD:BA:A2:13:AC:FF:EE:DA:CC:57:58:D3:80:9E:7C:46:6F:D5:16:CF:2F:71

www.fastmailusercontent.com

  • SHA-1 fingerprint: 7E:93:90:77:6A:7B:24:1F:FE:55:05:C8:B3:C4:12:B2:33:22:E3:24
  • SHA-256 fingerprint: 06:0B:30:2C:3E:88:7F:1A:23:6A:01:14:C6:A4:39:FE:07:D1:AC:01:31:62:55:CA:41:87:FF:30:8B:80:F8:8D

mail.messagingengine.com (deprecated)

  • SHA-1 fingerprint: 3B:EB:F8:BA:D0:0B:53:54:A2:DC:27:53:0C:44:25:5D:E8:53:B2:79
  • SHA-256 fingerprint: CA:56:50:90:CF:EB:70:24:40:FB:D7:CE:3A:A6:A3:4B:C5:4E:5F:14:DE:04:65:EA:90:62:F4:8B:96:2E:16:E0
Was this article helpful?
16 out of 26 found this helpful