[AusNOG] Telstra SMTP issues

neddy at matrix.net.au neddy at matrix.net.au
Mon Dec 4 15:09:08 EST 2017


Yep I too are having major headaches - Except we are using O365 email
servers and Bigpond is rejecting everything we send as "Spam" 

Reported error:	550 5.7.350 
Remote server returned message detected as spam -> 550
<EMAILADDY at bigpond.com> recipient rejected. Recipient does not exist. IB603a

Regards Ben Sowden
0438839800


-----Original Message-----
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Ted
Cooper
Sent: Monday, 4 December 2017 9:57 AM
To: ausnog at lists.ausnog.net
Subject: [AusNOG] Telstra SMTP issues

Hi all,

Bigpond mail servers appear to be having some issues today; may wish to
route traffic to only 203.36.172.106 until this rectifies itself.

If someone with the correct contact could give them a poke too, I'm sure
they'd appreciate it.

extmail.bigpond.com.	30	IN	A	203.36.172.106
extmail.bigpond.com.	30	IN	A	203.36.137.234

Connected to 203.36.172.106.
220 extmail.bigpond.com ESMTP Service ready HELO there.com
250 extmail.bigpond.com
MAIL FROM:<>
250 MAIL FROM:<> OK
RCPT TO:<VALIDADDRESS at bigpond.com>
250 RCPT TO:<VALIDADDRESS at bigpond.com> OK QUIT
221 extmail.bigpond.com QUIT

Connected to 203.36.137.234.
220 extmail.bigpond.com ESMTP Service ready HELO there.com
250 extmail.bigpond.com
MAIL FROM:<>
250 MAIL FROM:<> OK
RCPT TO:<VALIDADDRESS at bigpond.com>
550 <VALIDADDRESS at bigpond.com> recipient rejected. Recipient does not exist.
IB603a QUIT
221 extmail.bigpond.com QUIT


The issue is also present with real sender address instead of empty sender.


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