Having issues sending and receiving external emails, I have sent and received internal emails to test. Ubuntu 16.04 the Perfect Server Apache. mail.log Mar 5 04:40:01 server1 postfix/smtps/smtpd[9361]: connect from localhost.localdomain[127.0.0.1] Mar 5 04:40:01 server1 postfix/smtps/smtpd[9361]: SSL_accept error from localhost.localdomain[127.0.0.1]: lost connection Mar 5 04:40:01 server1 postfix/smtps/smtpd[9361]: lost connection after CONNECT from localhost.localdomain[127.0.0.1] Mar 5 04:40:01 server1 postfix/smtps/smtpd[9361]: disconnect from localhost.localdomain[127.0.0.1] commands=0/0 Mar 5 04:44:02 server1 postfix/smtpd[9272]: timeout after END-OF-MESSAGE from localhost.localdomain[127.0.0.1] Mar 5 04:44:02 server1 postfix/smtpd[9272]: disconnect from localhost.localdomain[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 commands=4 Mar 5 04:45:02 server1 dovecot: pop3-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=127.0.0.1, lip=127.0.0.1, secured, session=<0tMccfRJQtx/AAAB> /etc/host 127.0.1.1 ubuntu1604clean # The following lines are desirable for IPv6 capable hosts fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters 127.0.0.1 localhost.localdomain localhost # Auto-generated hostname. Please do not remove this comment. 1x.1x.1x.1x server1.domain.com server1 ::1 ip6-localhost ip6-loopback Response from sending server The response from the remote server was: The recipient server did not accept our requests to connect. [domain.com 2400:cb00:2048:1::6818:7871: timed out] [domain.com 2400:cb00:2048:1::6818:7971: timed out] [domain.com 104.24.120.113: timed out] [domain.com 104.24.121.113: timed out]
