Whitelisting website email so it is not rejected as spam

Posted by Micah Burnett on Stack Overflow See other posts from Stack Overflow or by Micah Burnett
Published on 2010-04-13T12:54:02Z Indexed on 2010/04/13 13:02 UTC
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email-spam

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email

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whitelist

What are the processes I need to go through to make sure emails sent from my web server are not rejected as spam? This question is for legitimate site emails that members have requested like a daily newsletter which is generated and run in a nightly process, as well as confirmation emails.

Some of the ideas I've heard are:

Making sure the server sending the mail has reverse-dns lookup turned on.
Manually submitting a whitelist request to major ISPs.

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