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excellent stuff - thanks gang. Does anyone know why this option is available (the logic behind it) if Exchange cannot reject messages that it flags as having failed this RDNS check?
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excellent stuff - thanks gang. Does anyone know why this option is available (the logic behind it) if Exchange cannot reject messages that it flags as having failed this RDNS check?

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I've never enabled this on Exchange 2003 before:<br />
<br />
[ ] Perform reverse DNS lookup on incoming messages.<br />
<br />
Is this a good thing to have enabled or is there a significant potential downside of enabling this check? Thanks.
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I've never enabled this on Exchange 2003 before:

[ ] Perform reverse DNS lookup on incoming messages.

Is this a good thing to have enabled or is there a significant potential downside of enabling this check? Thanks.

Is this a good idea: [ ] Perform reverse DNS lookup on incoming messages.

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.