Exchange versions 2003, 2007, 2010, 20 are supported.
This approach could have been made a little more effective by simply allowing to look for the keywords in message headers as well.
Not sure why headers were not included in the scanning mechanism for If the above methods don’t work for you, and you absolutely need the convenience of being able to whitelist addresses and domains, you can look at third party utilities like IMF Tune from Win Developer.
From the explanations I’ve heard, the one that comes across as the most reasonable: – the syntax is described in the Release Notes.
You can simply cut and paste the sample from the Release Notes and modify it – it is fairly easy to do.
feature provides a way to blacklist SMTP addresses and domains, so it’s logical to expect a way to whitelist addresses and domains as well.