No supported cipher suites have been found.

Hi Sam,

I just got a snail mail from my credit card company saying mail to me is 
bouncing.  I sent mail to that account from gmail and the mail passed 
through successfully so I know that email address is valid.

On my end, Debian 12, Courier 1.0.16 from their .deb, the latest on 
offer from them.

I have no other reports of bounced mail.

Journalctl reports this message (their IP is obfuscated)

courieresmtpd: STARTTLS failed: ip=[::ffff:a.b.c.d], No supported cipher 
suites have been found.

The esmptd-ssl file is unmodified except for the TLS_* certificate 
locations, SSLADDRESS=serverIP, and ESMTPDSSLSTART=YES.

The most recent letsencrypt certificates are dated Oct 26.

This is a new development and I'm pretty sure it's not on this end.  Do 
you have any insight that I might share with them ( or you with me )?

Thanks,
Mike Wright


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