Nguyen Nang. Thang:
> After receiving EHLO command from one host running ASSP, another
> host running Postfix cannot continue to connect to ASSP to get
> more SMTP commands (the connection is disconnect
> ed).
>
> Here is our system topology:
> Internet -> SMTP Proxy Server (ASSP) -> SMTP Server (Zimbra) -> Mail Server
> (Zimbra)
>
> Here is the content of /var/log/mail.log file:
> Jun 28 09:55:33 mail postfix/smtpd[19834]: smtp_get: timeout
> Jun 28 09:55:33 mail postfix/smtpd[19834]: > unknown[192.168.100.11]: 421
> 4.4.2 mail.test.com Error: timeout exceeded
> Jun 28 09:55:33 mail postfix/smtpd[19834]: timeout after EHLO from
> unknown[192.168.100.11]
You need to look up the earlier logfile record for postfix/smtpd[19834].
That information will show how long Postfix has waited after receiving
the EHLO command from ASSP.
Then, you know if Postfix times out too soon, or if ASSP is too
slow.
Wietse
