usually my posftix/smtp works fine until now, it get timed out on almost every destinations.
I drop all the firewalls, and start to accept all. I check the firewall. and there is no problems.
$telnet a.mx.mail.yahoo.com 25
Trying 67.195.168.31...
Connected to a.mx.mail.yahoo.com.
Escape character is '^]'.
220 mta145.mail.ac4.yahoo.com ESMTP YSmtp service ready
but in the log, i see this:
Oct 13 13:13:55 ubr postfix/smtp[4003]: connect to yahoo.com[98.137.149.56]:25: Connection timed out
Oct 13 13:14:25 ubr postfix/smtp[4003]: connect to yahoo.com[67.195.160.76]:25: Connection timed out
Oct 13 13:14:55 ubr postfix/smtp[4003]: connect to yahoo.com[72.30.2.43]:25: Connection timed out
Oct 13 13:15:25 ubr postfix/smtp[4003]: connect to yahoo.com[209.191.122.70]:25: Connection timed out
Oct 13 13:15:55 ubr postfix/smtp[4003]: connect to yahoo.com[69.147.125.65]:25: Connection timed out
Oct 13 13:15:55 ubr postfix/smtp[4003]: E94B74B8C: to=<[email protected]>, relay=none, delay=154369, delays=154219/0.03/150/0, dsn=4.4.1, status=deferred (connect to yahoo.com[69.147.125.65]:25: Connection timed out)
I Try to test the resolved ip for yahoo.com in the log.
$telnet 209.191.122.70 25 Trying 209.191.122.70...
Yes they timed-out
What did happend? It happend on