On , wie...@porcupine.org wrote:
post...@nisny.com:
>> Trying 17.172.34.70...
>> Connected to st11p00mm-mx006.me.com.
>> Escape character is '^]'.
>> 220 st11p00mm-smtpin012.mac.com -- Server ESMTP (Oracle Communications
>> Messaging Server 7u4-27.08(7.0.4.27.7) 64bit (built Aug 22 2013))
I made a telnet connection from my own machine without trouble.
What system did YOU make the connection from?
>> As you can see, I'm getting an immediate 220 from them which postfix
>> apparently is not getting. I can, of course, continue the telnet
>> session and send a complete email which is received by the recipient.
>
> And so can Postfix. One SINGLE SMTP connection from Postfix is likely
> to proceed just as well.
Why do you think it's a single connection?
It's multiple connections from Postfix to multiple servers over
multiple emails over multiple days
Indeed, the problem is making multiple connections in the past.
Your telnet test was today, making one connection.
You may learn more by capturing a few failed SMTP sessions with
tcpdump.
Wietse
No where did I state the telnet tests were all done today. No where did
I say no test via Postfix were run today.