Hello Lucio, On 07/19/2017 11:26 AM, Lucio Crusca wrote: > So far I've enabled courier-mta and courier-msa systemd services, > changed the ports they listed on and created a real system account for > mail relay (authpam). I've also let > > TLS_VERIFYPEER=NONE
Could it be an invalid peer certificate none the less? Does the same message appear if you try with openssl as the client, i.e.: openssl s_client -starttls smtp -crlf -connect $HOST:587 > Jul 19 04:48:17 mrelay courieresmtpd: started,ip=[::ffff:80.180.158.103] > Jul 19 04:48:18 mrelay courieresmtpd: courieresmtpd: STARTTLS failed: > Certificate is bad > > I don't know what to try next. Permissions of /etc/courier/esmtpd.pem? Is it a PRIVATE KEY followed by the CERTIFICATE(s)? ..just a few checks that come to mind, might well be irrelevant, though. Kind Regards Markus Wanner
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