: How to remove our IP address from Microsoft's email blacklist? We have a website, users sign up and receive links to confirm they signed up BUT: Microsoft blocked our IP (no one with Microsoft
We have a website, users sign up and receive links to confirm they signed up BUT:
Microsoft blocked our IP (no one with Microsoft email account can receive our emails.)
We tried contacting microsoft submitting the detailed form about our problem.
We posted 3 times in their community about our problem.
We tweeted they about our problem.
We tried finding out some telephone support number (the few there are aren't helping at all.)
Do you think we solved? the answer is NO :/
We are still unable to send emails from our IP to Microsoft email accounts and have been unable to for the last 3 months.
Our emails are perfect. We checked all the email headers following Microsoft's guidelines, but it seems not enough. Checking our IP reputation it seems everything is OK, indeed we can send email easly to any other provider: Gmail, Yahoo, etc.
Here is the full error returned by Microsoft:
host mx1.hotmail.com[65.55.37.120] said: 550
SC-001 (COL0-MC4-F28) Unfortunately, messages from 94.23.***** weren't
sent. Please contact your Internet service provider since part of their
network is on our block list. You can also refer your provider to
mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL
FROM command)
We are running NGIX + PHP mailer from a virtual private server (no Hosting or shared hosting.)
Are there any other way to try to get help?
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Go to the below URL and search on for your domain.
mxtoolbox.com/blacklists.aspx
This will check a bunch of blacklists and it will tell you if your domain is listed. there is also advise on how to get removed.
You might be listed with more than just Microsoft.
I have had server IP's blacklisted by Microsoft a few times and I have had them removed reasonably quickly. I noticed that after entering and joining anti spam related services that they recommend it was faster and easier.
I recommend that you ensure that you can reply Yes to the below questions in the web form where you ask for support for quickest removal.
Are you currently a Return Path client?
Are you Sender Score Certified?
Do you publish Sender Policy Framework (SPF)/Sender ID records for your IP?
Are you in the Junk Mail Reporting Partner Program?
Do you use Smart Network Data Services?
Is your IP from a "bad range"? Microsoft has penalties for some ranges they consider untrusted. You will need to request whitelisting.
Here is the link to the webform I have used in the past with success: support.microsoft.com/en-us/getsupport?oaspworkflow=start_1.0.0.0&wfname=capsub&productkey=edfsmsbl3&locale=en-us&ccsid=635611717755428181
I truly recommend that you read this and follow the recommendations:
mail.live.com/mail/services.aspx
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