hello my isp block port 25 out only, my server not connect telnet session in port 25. port 587 is not block.
how delivery my mails with the pot 587? On Sat, 2021-08-28 at 12:42 +0800, Mani Kandan wrote: > Have you checked your firewall and server iptables block smtp port 25 > or 587 if any > > Sent from my iPhone > > > On 28 Aug 2021, at 4:18 AM, Edgar Ignacio Vivas Zamorano < > > [email protected]> wrote: > > > > 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: > > > [email protected] > > > For additional commands, e-mail: > > > [email protected] > > > > > > > ----------------------------------------------------------------- > > ---- > > To unsubscribe, e-mail: > > [email protected] > > For additional commands, e-mail: > > [email protected] > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: > [email protected] > For additional commands, e-mail: > [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
