A customer is unable to send us mail, but they could before. The Sophos UTM SMTP log shows nothing when I click on the line. Ie the Delivery Log is empty.
The reason in the list is just "Rejected: Spam (confirmed)" which isn't that helpful.
The undeliverable message the sender received said:
"astaro1.bordo.com.au rejected your message to the following e-mail addresses:
'Anna' (annax@bordo.com.au)
astaro1.bordo.com.au gave this error:
Administrative prohibition
A problem occurred during the delivery of this message to this e-mail address. Try sending this message again. If the problem continues, please contact your helpdesk.
Diagnostic information for administrators:
Generating server: MMSBS.minemech.local
annax@bordo.com.au
astaro1.bordo.com.au #550 Administrative prohibition ##
Checking to see if they are on any RBLs using Multi-RBL Check Results | The Anti-Abuse Project
gives the all-clear.
The original message headers say:
Received: from MMSBS.minemech.local ([fe80::2c93:2b2b:3019:e3c4]) by
MMSBS.minemech.local ([fe80::2c93:2b2b:3019:e3c4%10]) with mapi id
14.01.0438.000; Mon, 17 Nov 2014 13:18:30 +1000
I presume the problem is the SMTP host name?
(If so, why doesn't it say so!)
Any suggestions would be most appreciated.
Thanks,
James.
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