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Old 30th November 2009, 08:55
till till is offline
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Do I have to complete any kind of forms or subscribe to a specific organisation?
No.

1) Make sure that your server is run on a static IP address.
2) Check if your server is blacklisted: http://www.mxtoolbox.com/
3) Create SPF Records for your domains in DNS.
4) Make sure that the IP address of your server has a correct reverse dns record.
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Till Brehm
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