Re: [courier-users] submission problems

[Gordon M. <gor...@gm...>]

On 2023-01-05 11:55, co...@ec... wrote:
> The system logs of courier show nothing during the connection attempt (neither with my mail client nor with openssl's s_client).


At a minimum, you should see a log entry indicating that a connection 
was opened.  If you don't see a log entry like the following, then the 
first thing you do should be to check open listening ports with 'ss' or 
'lsof' to confirm that the thing listening on port 465 is couriertcpd.

Jan  5 14:39:47 applications courieresmtpd: 
started,ip=[::ffff:127.0.0.1],port=[48436]