Steffan A. Cline: > This server does not have IPv6 enabled so in the main.cf I just set it to > IPv4 only. > > >> <azgoldsavi...@gmail.com> <mailto:azgoldsavi...@gmail.com>: host > >> gmail-smtp-in.l.google.com[2607:f8b0:400e:c01::1a] said: 550-5.7.1 > >> [2605:d400:0:b:216:3eff:fe63:ca2f 12] Our system has detected > >> 550-5.7.1 that this message is likely unsolicited mail. To reduce
Clearly, Google is receiving your over IPv6.
Wietse
