Re: [exim] EXIM Timeout on tcp required ports

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Author: Graeme Fowler
Date:  
To: Exim-users
Subject: 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