> yes, it sucks, but that's SMTP: it choosed to marry DNS since 
> a long time, and
> they've not divorced yet :)

Thanks to CIDR, reverse DNS got a very different face. I do not have control
over my reverse DNS zone, because I'm not the only one that is in that
network. (netmask /26)
I think reverse DNS checking is not a good way to "authenticate" this kind
of traffic.

Vincent de Lau
 System Administrator / MCSE

 Tridion (http://www.tridion.com)
 mailto:[EMAIL PROTECTED]
-
[To unsubscribe, send mail to [EMAIL PROTECTED] with
"unsubscribe firewalls" in the body of the message.]

Reply via email to