> On 07/09/2023 20:46 EEST Ralph Seichter via dovecot <dovecot@dovecot.org> > wrote: > > > * Aki Tuomi via dovecot: > > > I updated the settings a bit on the server as well. Maybe it works > > better now? > > Yes, it does indeed: > > Sep 7 19:33:23 ra postfix/smtp[14429]: Trusted TLS connection established > to talvi.dovecot.org[2a04:3545:1000:720:acc1:5bff:fe5e:459]:25: TLSv1.3 with > cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) > server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature > ECDSA (secp384r1) client-digest SHA384 > Sep 7 19:33:24 ra postfix/smtp[14429]: 1989FBE002A: > to=<dovecot-requ...@dovecot.org>, > relay=talvi.dovecot.org[2a04:3545:1000:720:acc1:5bff:fe5e:459]:25, delay=4.3, > delays=0.01/0.01/3.6/0.73, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as > D22D55DEF4) > > Thank you, Aki. Would you be willing to share what was changed in your > server's settings and/or certificates? I am still wondering what exactly > caused the issue. By the way, I have reverted all TLS-related changes > previously used for testing on my end, returning to Postfix's defaults. > > -Ralph
Mostly just disabled older TLS stuff and in particular enabled TLSv1.3. Aki _______________________________________________ dovecot mailing list -- dovecot@dovecot.org To unsubscribe send an email to dovecot-le...@dovecot.org