so if I have in global.cfg: PHRASESCAN external nonzero "D:\Imail\mail_ameripride_org\phrscan.exe %REVDNS%" 10 0
it will give me: phrscan (Private IP) c:\IMail\spool\D1234567.SMD phrscan (timeout) c:\IMail\spool\D1234567.SMD
depending on internal emails vs external emails
Correct.
or does %REVDNS% actually give something I'm not seeing and it is replaced in the header? When I look at the headers %REVDNS% returns the private or timeout
That would occur if your DNS server is only returning certain answers, and timing out on others. That's going to cause a lot of problems -- you should look into why that is happening.
Normally, if everything (on your end and the remote end) is set up properly, the %REVDNS% variable will display the reverse DNS entry of the IP that connected to your server.
-Scott
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