Folllow-up Test Code - Re: [Mimedefang] Potential for Businessmail servers to nothavereverse DNS

[Kevin A. McGrail]

I've taken a while to digest it for a more thorough response but really only 
found one issue with the fundamental differences between our approaches.

> b) I look for elements of the IP address in the domain (or, in the 
> sub-domain in your case).

I would recommend against this because large vendors like 
MCI/WorldComm/Verizon have gone with this naming scheme for business static 
users:

static-70-21-118-207.res.east.verizon.net.

Regards,
KAM