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We have a website, users sign up and receive links to confirm they signed up BUT:

  1. Microsoft blocked our IP (no one with Microsoft email account can receive our emails.)
  2. We tried contacting microsoft submitting the detailed form about our problem.
  3. We posted 3 times in their community about our problem.
  4. We tweeted they about our problem.
  5. 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
    http://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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Is this the form that you filled out? support.live.com/… –  Stephen Ostermiller Nov 13 '13 at 16:47
    
@StephenOstermiller nope :) it was another one i don't remember the link is that relevant? i submitted 4 times :/ –  HugeNut Nov 13 '13 at 19:09
    
That was the one that I found recommended in this Microsoft help forum: answers.microsoft.com/en-us/windowslive/forum/mail-email/… –  Stephen Ostermiller Nov 13 '13 at 19:10
    
@StephenOstermiller yeah, it's unbelievable, the form i found was another one probably the latest version of that, i submitted 4 times but no one submit returned a confirm message :/ like the form was broken unbelievable, billionaire companies not able to build a simple submission form with a confirm message , unbelievable :/ –  HugeNut Nov 14 '13 at 8:25
2  
I guess they are now big enough to start making everyone crazy, simply by not following the rules. Many people told me "hey, they are Microsoft, they must be right", but then I explain them and they see where the problem is. So now I simply tell the people who are blocked by Microsoft: call the recipient who you can't send mail to, they should call Microsoft to unblock you. Because they are Microsoft customers, then Microsoft must react. That's the only reasonable way to solve this issue. –  user35564 Jan 27 at 20:32

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