On Thu, 4 Mar 2004, DENNIS BYRNE wrote:
> Forcing "the sender's domain address [to] be resolvable " is definetly
> a " simple anti-spam technique". I just spammed myself. Couldn't
> yahoo stop a lot more spam by only accepting mail requests when a DNS
> lookup of the domain of the sender address matches the source IP
> address of the very packets that make up the email itself? What am I
> missing?
Keep in mind that larger entities on the net have separate inbound & outbound
servers. The most you're going to want to do is make sure the connecting IP
is in the same domain, but then you may irritate a lot of road warriors that
may be funneling mail through local IPs, etc.
--Arthur Corliss
Bolverk's Lair -- http://arthur.corlissfamily.org/
Digital Mages -- http://www.digitalmages.com/
"Live Free or Die, the Only Way to Live" -- NH State Motto
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Received on Thu Mar 4 16:04:57 2004
This archive was generated by hypermail 2.1.8 : Thu Mar 04 2004 - 16:04:57 PST