I have 2 servers, 1 for smtp smtp.kosmojaya.com, 1 for mx
mail.kosmojaya.com (with pop3 in it). In smtp server i also add
SMTP-AUTH so our user from outside office still can use our smtp. But
lately, when user sent mail to this domain, sometimes (not always)
they get error: timed out while receving the initial server greeting.
and their mail just stuck from couple of minutes to 2-3 hours before
they arrived to mail.kosmojaya.com.
Why does it happend ? Here the errors
Test a manual telnet to the MX of yahoo from this Server.
$ telnet 67.195.168.31 25
Do this multiple times. Do you see the "initial server greeting"? How it looks
like?
No, there's no warning to that mail server, but, whenever i sent mail
to @yahoo and it goes to a.mx.mail.yahoo.com[67.195.168.31] or
g.mx.mail.yahoo.com[206.190.53.191] it would give me warning like
this:
refused to talk to me: 421 Message from (122.200.149.226) temporarily
deferred - 4.16.50. Please refer to
http://help.yahoo.com/help/us/mail/defer/defer-06.html
Also I think i just give 'wrong' log. This shows that I cant sent to
my own domain, that still in my network..
Jun 23 09:25:22 sms2 postfix/smtp[1163]: 90E4A6FE58:
to=,
relay=gajah.kosmojaya.com[122.200.149.230]:25, delay=647,
delays=326/0.15/321/0
, dsn=4.4.2, status=deferred (conversation with
gajah.kosmojaya.com[122.200.149.230] timed out while receiving the
initial server greeting)
Jun 23 09:25:22 sms2 postfix/smtp[1163]: 90E4A6FE58:
to=,
relay=gajah.kosmojaya.com[122.200.149.230]:25, delay=647,
delays=326/0.15/321/0
, dsn=4.4.2, status=deferred (conversation with
gajah.kosmojaya.com[122.200.149.230] timed out while receiving the
initial server greeting)
Jun 23 09:25:22 sms2 postfix/smtp[1163]: 90E4A6FE58:
to=,
relay=gajah.kosmojaya.com[122.200.149.230]:25, delay=647,
delays=326/0.15/321/
0, dsn=4.4.2, status=deferred (conversation with
gajah.kosmojaya.com[122.200.149.230] timed out while receiving the
initial server greeting)
Jun 23 09:25:22 sms2 postfix/smtp[1163]: 90E4A6FE58:
to=,
relay=gajah.kosmojaya.com[122.200.149.230]:25, delay=647,
delays=326/0.15/321/0
, dsn=4.4.2, status=deferred (conversation with
gajah.kosmojaya.com[122.200.149.230] timed out while receiving the
initial server greeting)
So, yes i have 2 problem.
1. Sometime i cant sent to yahoo, even try follow their policy (using
domainkeys and DKIM)
2. sometime i cant sent to my own domain
regards,
PS: sorry for my bad english :(
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