I haven’t got a clue about this blacklisting service, but it sure caused a lot of inconveniences to corporate email holders. For the last week, I received a lot of calls telling me that my email recipient did not receive my email (which I have sent a few days earlier).
Then I traced back some of the Sent Mails and a few email with the subject “Mail delivery failed: returning message to sender” and read it. Ahhh.. here is the problem!
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:
SMTP error from remote mail server after RCPT TO:<XXXXX.firstname.lastname@example.org>:
host mail.global.frontbridge.com [126.96.36.199]:
550 Service unavailable; Client host [188.8.131.52] blocked using 88.blacklist.zap; Mail From IP Banned To request removal from this list please forward this message to email@example.com.
—— This is a copy of the message, including all the headers. ——
Received: from [184.108.40.206] (helo=epmobile)
by rs7.whbdns.com with esmtpa (Exim 4.66)
for XXXXX.firstname.lastname@example.org; Fri, 10 Aug 2007 06:15:06 +0000
From: “James Guang” <email@example.com>
To: “Nancy Embal” <XXXXX.firstname.lastname@example.org>
Date: Fri, 10 Aug 2007 14:14:54 +0800
Message-ID: <!&!AAAAAAAAAAAYAAAAAAAAACSllKyLKOBLu+YrtdtHi6jCgA.. AAEAAAAKrAGiFEdXpKpTRjv6JRiaABAAAAAAemail@example.com>
X-Priority: 1 (Highest)
X-Mailer: Microsoft Office Outlook 12.0
Disposition-Notification-To: “James Guang” <firstname.lastname@example.org>
This is a multipart message in MIME format.
I traced bigfish.com and ended up at Microsoft Exchange Hosted Services and a search at Google only gave me 424 results! With little choice I have emailed bigfish.com to get the IP off the list.
Within seconds, I received an email from bigfish.com as below:
Thank you for your submission to Microsoft Exchange Hosted Services Technical Support. This automatically generated message confirms that we have opened ticket number 070809-000652 with the description:
FW: Mail delivery failed: returning message to sender
Please include the string “[Incident:070809-000652]” in the subject line of all future e-mail messages regarding this issue to avoid
the creation of duplicate tickets – replying to this message is the easiest way to do so. You can check the status of your ticket, and submit additional information, by visiting our support web site at:
If this is a delisting request your IP will be forwarded to the correct resource for investigation and we will contact you only if additional information is needed. For all other issues an agent will typically respond to most requests within 4 hours. You may also find it useful to review the following information that has been gathered from our Knowledge Base by searching for words found in your e-mail:
Some recipients are not receiving some email
Legitimate Mail Trapped as Spam
Domain Not Receiving Mail
Custom Spam Filter Management options
Troubleshooting spam issues
Microsoft Exchange Hosted Services
I will keep you guys inform of the status later. Or, if anyone out there having the same problem, please share with us on how you have resolve it.
Cheers and have a wonderful weekend :D