Verizon FiOS (residential) blocks outgoing SMTP (TCP/25) now, so one must use their SMTP relays.
They have a couple of relays... outgoing.verizon.net works on port 25 and 587, but does not seem to accept TLS.
They recommend using smtp.verizon.net, but it only accepts connections on TCP port 465. I've tested this from the firewall console with Telnet, and I AM able to connect, so IPTables is not in the way.
However, when I configure Astaro (in Management -> Notifications -> Advanced) to use this server, port 465, TLS checked or unchecked, and authentication, and try to email a backup file, nothing happens (watching with tcpdump or ngrep).
The notification log seems to be indicating that Postfix is not setup for port 465:
2013:02:19-12:27:12 mydomain postfix/postfix-script[1512]: refreshing the Postfix mail system
2013:02:19-12:27:12 mydomain postfix/master[4714]: reload -- version 2.9.3, configuration /etc/postfix
2013:02:19-12:27:24 mydomain notifier[1521]: successfully processed request for notification
2013:02:19-12:27:24 mydomain postfix/pickup[1517]: 4DD4A49C0: uid=0 from=
2013:02:19-12:27:24 mydomain postfix/cleanup[1524]: 4DD4A49C0: message-id=
2013:02:19-12:27:24 mydomain postfix/qmgr[1516]: 4DD4A49C0: from=, size=1284298, nrcpt=1 (queue active)
2013:02:19-12:27:24 mydomain postfix/smtp[1526]: CLIENT wrappermode (port smtps/465) is unimplemented
2013:02:19-12:27:24 mydomain postfix/smtp[1526]: instead, send to (port submission/587) with STARTTLS
reference:
What are my email settings? | FiOS Internet | Residential Support | Verizon
Barry
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