My email server emails are being refused by some servers

Posted by Havenard on Server Fault See other posts from Server Fault or by Havenard
Published on 2012-09-07T02:24:24Z Indexed on 2012/09/07 3:39 UTC
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emailserver

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exchange-2003

I have a Microsoft Exchange Server 2003 installed in my office. It was configured with all MX-records and SMTP relaying recomendations required to gain trust and not have my server blacklisted.

It is also aparently not blacklisted in any email server blacklist I can find online, and in overall it works. I can send emails to Gmail, Hotmail, and most other email servers.

Howover, some few email servers insist in not receiving my e-mails for some random reason I couldn't so far understand. There is no error, they simply drop it.

Is there something I can do to get this mystery solved?

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