Yes, my DNS server resolve my ip in the mail server, this problem init when my ip server blacklisted two days ago, but i modify some dns parameters and not listed now in any blacklist
my two servers not delivery any mail. On Fri, 2021-08-27 at 13:56 -0600, Eric Broch wrote: > Do you know the IP address to which you're email server is trying to > connect? > > Does your email server resolve the domain name properly. > > On 8/27/2021 1:50 PM, Edgar Ignacio Vivas Zamorano wrote: > > hello i have this error > > > > delivery 18: deferral: > > sorry,_I_wasn't_able_to_establish_an_SMTP_connection._(#4.4.1)/ > > > > my ip not listed in any blacklist. > > > > i have two mail servers with the same configuration and not > > delivery > > any message. > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: > qmailtoaster-list-unsubscr...@qmailtoaster.com > For additional commands, e-mail: > qmailtoaster-list-h...@qmailtoaster.com > --------------------------------------------------------------------- To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
