Wietse Venema: > Helmut Schneider: > > Error: too many connections from 172.20.16.26 > > LOOK IN YOUR LOGS.
That will tell you if this is a concurrency or rate limti problem.
However, the problem is that your exclusion configuration is broken.
You specify a CIDR table, but you failed to tell Postfix
that the table is in CIDR format.
smtpd_client_event_limit_exceptions = cidr:/path/to/file
Wietse
