asked on

bounce mails

Hi Experts,

have an issue on a bounce back mail from one of our client, they cannot send an email to us because TrendMicro detected an abuse.

BOUNCED BACK MAILS

-----Original Message-----
From: Mail Delivery System [mailto:Mailer-Daemon@gceweb1.gceservers.net]
Sent: Tuesday, February 25, 2014 12:11 PM
To: mohhanif@brc.com.sa
Subject: Mail delivery failed: returning message to sender

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

s.natarajan@gpzgroup.com
SMTP error from remote mail server after RCPT
TO:<s.natarajan@gpzgroup.com>:
host mail.gpzgroup.com [81.22.17.227]: 550 5.7.1 Mail from
75.126.100.251 has been blocked by Trend Micro Email Reputation Service.
Please see http://www.mail-abuse.com/cgi-bin/lookup?75.126.100.251 to get
detailed information.

If I issue the command: ping mail.brc.com.sa
it resolved to: 74.86.76.118
checking the whois: http://www.whois.com/whois/74.86.76.118

checking also the whois of the blocked IP: http://www.whois.com/whois/75.126.100.251

both are coming from Softlayer

but checking there IP on the TrendMicro RBL
https://ers.trendmicro.com/reputations

its not block listed

ASKER CERTIFIED SOLUTION

M A

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moitz

ASKER

how this IP 74.86.76.118 relates to this IP 75.126.100.251

thanks for the answer

SOLUTION

Carl Dula

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moitz

ASKER

thanks Carlmd

mohhanif@brc.com.sa and mail server is mail.brc.com.sa and resolved to 74.86.76.118

but the bounced back mail says

TO:<s.natarajan@gpzgroup.com>:
host mail.gpzgroup.com [81.22.17.227]: 550 5.7.1 Mail from
75.126.100.251 has been blocked by Trend Micro Email Reputation Service.
Please see http://www.mail-abuse.com/cgi-bin/lookup?75.126.100.251 to get
detailed information.

which is 75.126.100.251, is this IP a relay to there mail server?

issue is our client cannot send an email to us..

moitz

ASKER

I've requested that this question be closed as follows:

Accepted answer: 250 points for abbasiftt's comment #a39891174
Assisted answer: 250 points for carlmd's comment #a39891539
Assisted answer: 0 points for moitz's comment #a39891751

for the following reason:

thanks

moitz

ASKER

thanks for the tips