Hello, i'm using ispconfig form many years on debian 8, I have problems with email system on 2 servers. I have configured some email forward on the panel like this: [email protected] forward to [email protected] If i send one email to [email protected] postfix don't deliver the message to [email protected] The same problem on 2 servers with the same panel version on debian 8 Could someone help me? Best regards Alberto this is the mail.log Mar 4 14:13:13 cloud002 postfix/smtpd[17980]: connect from mail-wm0-f52.google.com[74.125.82.52] Mar 4 14:13:14 cloud002 postfix/smtpd[17980]: 64F9C7F819: client=mail-wm0-f52.google.com[74.125.82.52] Mar 4 14:13:14 cloud002 postfix/cleanup[18355]: 64F9C7F819: message-id=<[email protected]> Mar 4 14:13:14 cloud002 postfix/qmgr[1845]: 64F9C7F819: from=<[email protected]>, size=2585, nrcpt=1 (queue active) Mar 4 14:13:14 cloud002 postfix/smtpd[17980]: disconnect from mail-wm0-f52.google.com[74.125.82.52] Mar 4 14:13:15 cloud002 postfix/smtpd[18359]: connect from localhost.localdomain[127.0.0.1] Mar 4 14:13:15 cloud002 postfix/smtpd[18359]: 718927F83D: client=localhost.localdomain[127.0.0.1] Mar 4 14:13:15 cloud002 postfix/cleanup[18355]: 718927F83D: message-id=<[email protected]> Mar 4 14:13:15 cloud002 postfix/qmgr[1845]: 718927F83D: from=<[email protected]>, size=3071, nrcpt=1 (queue active) Mar 4 14:13:15 cloud002 postfix/smtpd[18359]: disconnect from localhost.localdomain[127.0.0.1] Mar 4 14:13:15 cloud002 amavis[6004]: (06004-13) Passed CLEAN {RelayedInbound}, [74.125.82.52]:33327 [79.26.241.6] <[email protected]> -> <[email protected]>, Queue-ID: 64F9C7F819, Message-ID: <[email protected]>, mail_id: eUx4Oi9o3gUn, Hits: 0.68, size: 2585, queued_as: 718927F83D, 828 ms Mar 4 14:13:15 cloud002 postfix/smtp[18356]: 64F9C7F819: to=<[email protected]>, relay=127.0.0.1[127.0.0.1]:10024, delay=1.1, delays=0.25/0.01/0.01/0.83, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 718927F83D) Mar 4 14:13:15 cloud002 postfix/qmgr[1845]: 64F9C7F819: removed Mar 4 14:13:15 cloud002 postfix/smtp[18360]: connect to gmail-smtp-in.l.google.com[2607:f8b0:400d:c02::1a]:25: Network is unreachable Mar 4 14:13:16 cloud002 postfix/smtp[18360]: 718927F83D: to=<[email protected]>, orig_to=<[email protected]>, relay=gmail-smtp-in.l.google.com[173.194.205.27]:25, delay=1, delays=0.01/0.02/0.83/0.15, dsn=2.0.0, status=sent (250 2.0.0 OK 1457097196 c52si3602063qgc.5 - gsmtp) Mar 4 14:13:16 cloud002 postfix/qmgr[1845]: 718927F83D: removed Mar 4 14:14:01 cloud002 postfix/smtpd[17980]: connect from localhost.localdomain[127.0.0.1] Mar 4 14:14:01 cloud002 postfix/smtpd[17980]: lost connection after CONNECT from localhost.localdomain[127.0.0.1] Mar 4 14:14:01 cloud002 postfix/smtpd[17980]: disconnect from localhost.localdomain[127.0.0.1] Mar 4 14:14:01 cloud002 dovecot: pop3-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=127.0.0.1, lip=127.0.0.1, secured, session=<wUZ94zgtrAB/AAAB> Mar 4 14:14:01 cloud002 dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=127.0.0.1, lip=127.0.0.1, secured, session=<ek594zgteQB/AAAB> Mar 4 14:15:01 cloud002 postfix/smtpd[17980]: connect from localhost.localdomain[127.0.0.1] Mar 4 14:15:01 cloud002 postfix/smtpd[17980]: lost connection after CONNECT from localhost.localdomain[127.0.0.1] Mar 4 14:15:01 cloud002 postfix/smtpd[17980]: disconnect from localhost.localdomain[127.0.0.1]
The reason is that the google email server can not be reached from your server. The problem might be the ipv6 support in the network where your server is located. you can try to turn ipv6 off in postfix by setting: inet_protocols = ipv4 in postfix main.cf and then restart postfix.