On Wed, January 24, 2018 9:34 am, Noel Jones wrote: > and a few seconds later STARTTLS succeeds, and that IP successfully sends > mail from user hr@ to 10 recipients. > > Are there many users on that same IP via a NAT?
Noel, just noticed I do NOT have that IP entered in 'mynetworks =', it used to be, somehow, it;s missing, just adding it back is that my problem, or, part of my problem, or ? Jan 24 20:22:13 geko postfix/smtpd[4706]: warning: Connection rate limit exceeded: 21 from 110-170-19-146.static.asianet.co.th[110.170.19.146] for service submission Jan 24 20:26:01 geko postfix/smtpd[6816]: warning: Connection rate limit exceeded: 22 from 110-170-19-146.static.asianet.co.th[110.170.19.146] for service submission Jan 24 20:26:45 geko postfix/smtpd[6816]: warning: Connection rate limit exceeded: 23 from 110-170-19-146.static.asianet.co.th[110.170.19.146] for service submission
