Is SMTPS(SMTP over TLS/SMTP secure) supported for Email Notification?
3352
Created On 09/29/23 08:14 AM - Last Modified 01/22/25 03:18 AM
Question
Is SMTPS(SMTP over TLS/SMTP secure) supported for Email Notification?
Environment
- Palo Alto Firewalls
- PAN-OS: 10.1, 10.2, 11.0
- SMTP
Answer
- SMTP over TLS is supported when the server supports STARTTLS ( 587 for STARTTLS).
- If the servers are using port 465 for SMTP over TLS, then it is not supported.