On 2018-11-15 12:24, Poliman - Serwis wrote:
I have few domains on the server. Some part of them use my server for
send emails but few have
configured external mail service like Google. I need to disable using
my mail service by
colonel.com.pl on my server. There need to be only google, nothing more
but other domains need
to use my mail service.
Well then just leave it as it is. Obviously the warning you got from
Google does not apply, because that SMTP server is taking care of other,
unrelated, domains. Therefore you can safely ignore the warning, as it
is wrong.