postfix--- via Postfix-users:
> My distro package manager gives me postfix 3.5.25 with openssl 3.2.2 which
> causes SSL version mismatch warnings I was previously told I could ignore.
>
> I got a failed transaction:
>
> Jan 21 09:15:21 host postfix/smtpd[79286]: warning: run-time library vs.
> compile-time header version mismatch: OpenSSL 3.2.0 may not be compatible
> with OpenSSL 3.0.0
> Jan 21 09:15:22 host postfix/smtpd[79286]: connect from
> sub.example.com[xxx.xxx.xxx.xxx]
> Jan 21 09:15:22 host postfix/smtpd[79286]: SSL_accept error from
> sub.example.com[xxx.xxx.xxx.xxx]: -1
> Jan 21 09:15:22 host postfix/smtpd[79286]: warning: TLS library problem:
> error:0A0000C1:SSL routines::no shared cipher:ssl/statem/statem_srvr.c:2327:
> Jan 21 09:15:22 host postfix/smtpd[79286]: lost connection after STARTTLS
> from sub.example.com[xxx.xxx.xxx.xxx]
> Jan 21 09:15:22 host postfix/smtpd[79286]: disconnect from
> sub.example.com[xxx.xxx.xxx.xxx] ehlo=1 starttls=0/1 commands=1/2
>
> and I'm wondering if this was my fault or their fault, and should I roll back
> my openssl version.
You may want to comment out protocol or cipher tweaks' these can
reduce interoperability:
postconf -n | grep tls
Wietse
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