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8.2

Spamhaus-ZEN can no longer email hotmail

Asked by paul_at_work in Email Clients, Anti-Spam White Lists, Email Protocols

Tags: spam email thunderbird smtp

For over a year i have been happily using a POP account for my domain for email. I have a static IP address.

This morning I can no longer send emails to hotmail addresses- the following error is returned:

SMTP error from remote mail server after MAIL FROM:<email removed> SIZE=4018:
    host mx4.hotmail.com [65.55.92.168]: 550 SC-001 Mail rejected by Windows Live Hotmail for policy reasons. Reasons for rejection may be related to content with spam-like characteristics or IP/domain reputation problems. If you are not an email/network admin please contact your E-mail/Internet Service Provider for help. Email/network admins, please visit http://postmaster.live.com for email delivery information and support

I can email other domains without problem. I checked to see if I was on any spam lists, and found my IP on spamhaus-ZEN Policy Block List (PBL). they tell you to check that you are sending via secure smtp. I am - and have checked everything they ask.
Whatever has happened has changed today.

I have other email accounts on different domains which I can send to hotmail with no problem.

If I use webmail for my domain then I can send messages - I assume this is because its being sent from a different IP address.

Spamhaus do allow you to remove your IP, but they do not recommend this unless you have a legitimate reason and are running a mail server.

Would removing myself from spamhaus fix my problems sending to hotmail? Is it ok to do this?
 
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[+][-]06/05/09 11:44 PM, ID: 24561940Accepted Solution

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Zones: Email Clients, Anti-Spam White Lists, Email Protocols
Tags: spam email thunderbird smtp
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Solution Provided By: moorhouselondon
Participating Experts: 2
Solution Grade: A
 
[+][-]06/06/09 01:31 AM, ID: 24562231Expert Comment

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