Below is a header of an email processed by Declude today - it sees the RDNS
as:

>> 202.112.78.63.in-addr.arpa [63.78.112.202] <<

However, your own http://www.dnsstuff.com/tools/ptr.ch?ip=63.78.112.202
correctly reports:

>> smtp.hhbrown.com. <<

Seems as if Declude doesn't follow the classless delegation and applies
different logic than DNSSTUFF?
That is correct.

The reverse DNS lookup in Declude JunkMail was designed just to check for the presence of a reverse DNS entry (which would count a CNAME as having the reverse DNS, whether or not the CNAME resolved).

Now that it is possible to filter on the reverse DNS entries, though, it sounds like we will need to add support for the CNAMEs.
-Scott

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