Well you can't really force the ports, in the sense that if your clients have alternate ports selected they will not be deferred to secure ports. You can enable "Require SSL/TLS to connect" in the exim configuration settings which would require SSL/TLS connection in order for a mail client to connect to the server.
| Thread starter | Similar threads | Forum | Replies | Date |
|---|---|---|---|---|
| A | SMTP settings for Security and Authentication options - what options with accompanying ports are valid? | 1 | ||
|
Closing smtp ports question | 12 | ||
| M | Track ports used for smtp auth? | 4 | ||
| D | Max number of SMTP ports. | 2 | ||
| J | Alternate SMTP Ports | 4 |