Am 17.02.22 um 10:25 schrieb Christian Balzer via Exim-users:
> Can you also confirm that small mails, sessions shorter than 2 seconds
> have no problem?
Yes and no – it could also be that some of Google's servers are the problem:
H=gmail-smtp-in.l.google.com [2a00:1450:400c:c0a::1b]: SMTP timeout
after sending data block (266346 bytes written): Connection timed out
H=gmail-smtp-in.l.google.com [64.233.167.27]: SMTP timeout after sending
data block (266346 bytes written): Connection timed out
H=alt1.gmail-smtp-in.l.google.com [2404:6800:4003:c00::1a] TFO
X=TLS1.3:ECDHE_X25519__ECDSA_SECP256R1_SHA256__AES_256_GCM:256 CV=yes K
C="250 2.0.0 OK XXX.YYY - gsmtp
This is the same mail with different delivery attempts, S=1119813.