I need help with this one, if I try to send an email to anyone at
@bigpond.net.au I get these 2 errors below but if I telnet to their
MX hosts port 25 directly then a test message will go through okay
so it seems to only be a problem when I send via my local courier-mta.
Apr 30 16:09:27 mail courieresmtpd: error,relay=::ffff:xx.240.81.28,
from=<[EMAIL PROTECTED]>,to=<[EMAIL PROTECTED]>:
456 Address temporarily unavailable.
Apr 30 16:09:27 mail courieresmtpd: error,
relay=::ffff:xx.240.81.28,msg="502 ESMTP command error",cmd: DATA
I've tried disabling any security connections...
#cat /etc/courier/esmtproutes
extmail.bpbb.bigpond.com: /SECURITY=NONE
bigpond.net.au: /SECURITY=NONE
but there is no improvement. My mail servers IP is not on any RBL
list according to "rblcheck". I was hoping to get a clue from the
below direct smtp injection.
Any suggestions what the problem may be or how to debug this any
further ?
--markc
# dig +short mx bigpond.net.au.
0 extmail.bpbb.bigpond.com.
# telnet extmail.bpbb.bigpond.com 25
Trying 61.9.168.122...
Connected to extmail.bpbb.bigpond.com.
Escape character is '^]'.
220 nskntingx02p.mx.bigpond.com ESMTP server ready Wed, 30 Apr 2008 06:10:16
+0000
EHLO mail.renta.net
250-nskntingx02p.mx.bigpond.com
250-ETRN
250-AUTH=LOGIN PLAIN
250-AUTH LOGIN PLAIN
250-PIPELINING
250-DSN
250-8BITMIME
250 SIZE 15728640
MAIL FROM: [EMAIL PROTECTED]
250 Sender <[EMAIL PROTECTED]> Ok
RCPT TO: [EMAIL PROTECTED]
250 Recipient <[EMAIL PROTECTED]> Ok
DATA
354 Ok Send data ending with <CRLF>.<CRLF>
Testing email, please ignore.
--markc
.
250 Message received: [EMAIL PROTECTED]
QUIT
221 nskntingx02p.mx.bigpond.com ESMTP server closing connection
Connection closed by foreign host.
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