*Ciao!How are you?* *Problem:*I need 2 interfaces, because the fast ISP blocks 25 port, the slower is open.
*I can telnet with the required interface:*telnet -b 192.168.81.20 alt2.gmail-smtp-in.l.google.com 25 *The wrong is not working* root@server:/etc/postfix# telnet -b 192.168.78.20 alt2.gmail-smtp-in.l.google.com 25 Trying 74.125.68.27... *telnet: Unable to connect to remote host: Connection refused* root@server:/etc/postfix# *Correct interface wWorks:*Trying 74.125.68.27... Connected to alt2.gmail-smtp-in.l.google.com. Escape character is '^]'. 220 mx.google.com ESMTP q14si1562820plk.485 - gsmtp *I got the right settings:* smtp inet n - y - - smtpd -o content_filter=spamassassin * -o smtp_bind_address=192.168.81.1* submission inet n - y - - smtpd -o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject * -o smtp_bind_address=192.168.81.1* smtps inet n - y - - smtpd -o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject * -o smtp_bind_address=192.168.81.1* *Still, I get this error:* Jun 07 13:19:01 server postfix/smtp[10823]: connect to gmail-smtp-in.l.google.com[74.125.133.27]:25: Connection refused Jun 07 13:19:01 server postfix/smtp[10824]: connect to gmail-smtp-in.l.google.com[74.125.133.27]:25: Connection refused Jun 07 13:19:01 server postfix/smtp[10824]: connect to gmail-smtp-in.l.google.com[2a00:1450:400c:c07::1a]:25: Network is unreachable Jun 07 13:19:01 server postfix/smtp[10824]: connect to alt1.gmail-smtp-in.l.google.com[2a00:1450:4010:c0f::1b]:25: Network is unreachable Jun 07 13:19:02 server postfix/smtp[10824]: connect to alt1.gmail-smtp-in.l.google.com[108.177.14.27]:25: Connection refused Jun 07 13:19:03 server postfix/smtp[10824]: connect to alt2.gmail-smtp-in.l.google.com[74.125.68.27]:25: Connection refused Jun 07 13:19:03 server postfix/smtp[10824]: AF506340194: to=< alab...@gmail.com>, relay=none, delay=591, delays=586/0.01/5.4/0, dsn=4.4.1, status=deferred (connect to alt2.gmail-smtp-in.l.google.com[74.125.68.27]:25: Connection refused) Jun 07 13:19:04 server postfix/smtp[10823]: connect to alt1.gmail-smtp-in.l.google.com[108.177.14.27]:25: Connection refused Jun 07 13:19:04 server postfix/smtp[10823]: connect to alt1.gmail-smtp-in.l.google.com[2a00:1450:4010:c0f::1b]:25: Network is unreachable Jun 07 13:19:05 server postfix/smtp[10823]: connect to alt2.gmail-smtp-in.l.google.com[74.125.68.27]:25: Connection refused Jun 07 13:19:05 server postfix/smtp[10823]: C625334017A: to=< alab...@gmail.com>, relay=none, delay=12983, delays=12976/0.01/7.4/0, dsn=4.4.1, status=deferred (connect to alt2.gmail-smtp-in.l.google.com[74.125.68.27]:25: Connection refused) *The settings are correct, why I get connection refused?* *If you know, thanks so much!* *Ciao!* *Patrik* WWW <https://patrikx3.tk> | GitHub <https://github.com/patrikx3/> | NPM <https://www.npmjs.com/~patrikx3> | Corifeus <https://corifeus.tk> | +36 20 342 8046
