Unable to receive some mail.

[sc]

Dear Sir/Madam,

My client's mail a/c is (e-mail address removed). He is unable to
receive mail from (e-mail address removed). The following are the related
info for the issue:

The original message was received at Mon, 5 Mar 2007
15:01:36 +0800
from bb220-255-198-68.singnet.com.sg [220.255.198.68]

----- The following addresses had permanent fatal errors -----
<[email protected]>
(reason: 550 5.7.1 165.21.103.151 has been blocked by TQM-SPAMTRAP)

----- Transcript of session follows ----- ... while talking to
mail.macau-airport.com.:

DATA

<<< 550 5.7.1 165.21.103.151 has been blocked by TQM-SPAMTRAP 550 5.1.1
<[email protected]>... User unknown <<< 503 5.5.2 Need Rcpt
command.
?
Reporting-MTA: dns; smtp43.singnet.com.sg
Received-From-MTA: DNS;
bb220-255-198-68.singnet.com.sg
Arrival-Date: Mon, 5 Mar 2007 15:01:36 +0800

Final-Recipient: RFC822;
(e-mail address removed)
Action: failed
Status: 5.7.1
Remote-MTA: DNS; mail.macau-airport.com
Diagnostic-Code: SMTP; 550 5.7.1 165.21.103.151 has been blocked by
TQM-SPAMTRAP
Last-Attempt-Date: Mon, 5 Mar 2007 15:01:47 +0800 ?
From: Alice Goh <[email protected]>
Date: Mon, 05 Mar 2007 15:01:36 +0800
To: Barrie Edward Briggs
<[email protected]>
Conversation: Spam filter
Subject: Re: Spam filter

Thank you for your kind attention and look forward to hearing from you soon.

Best regards,

sc

 

[Brian Tillman]

My client's mail a/c is (e-mail address removed). He is unable
to receive mail from (e-mail address removed). The following are the
related info for the issue:

NEVER post real addresses in a newsgroup unless you LIKE viruses and spam.

The original message was received at Mon, 5 Mar 2007
15:01:36 +0800
from bb220-255-198-68.singnet.com.sg [220.255.198.68]

----- The following addresses had permanent fatal errors -----
<[email protected]>
(reason: 550 5.7.1 165.21.103.151 has been blocked by TQM-SPAMTRAP)

Right here's your reason. macau-airport.com's mail server is using
TQM-SPAMTRAP to block certain IP addresses because they tend to send junk
mail and the IP address 165.21.103.151 is smtp43.singnet.com.sg, a SIngapore
address flagged by that spamtrap.

 

[Roady [MVP]]

The error is in the return receipt;

"reason: 550 5.7.1 165.21.103.151 has been blocked by TQM-SPAMTRAP"

Contact your mail admin to find out who in this route is "165.21.103.151"
and get it of the blacklist.