Auteur: Graeme Fowler
Date:
À: Exim-users
Sujet: Re: [exim] EXIM Timeout on tcp required ports
On 4 Mar 2019, at 18:49, Ryan McClung via Exim-users <exim-users@???> wrote:
> daemon_smtp_ports = 25 : 465 : 587
> tls_on_connect_ports = 465 : 587
Port 587 is the submission port; it uses SMTP and STARTTLS rather than tls-on-connect.
tls_on_connect_ports should *only* be 465.
For testing, use this:
openssl s_client -starttls smtp -connect 192.168.1.1:587
or for port 465:
openssl s_client -connect 192.168.1.1:465
Graeme