> IMHO Null sender should only be allowed from automated processes
> (scripts in your servers to tell you when processes fail etc) within
> your own network address range, there ought to be an option (or
> update to the RFC even) to allow refuse null sender from outside
> your ip range and still be compliant.
Come on. The problem has nothing to do with servers you own sending
messages--I don't know of any monitoring applications that force the
use of a null sender.
> The RFC's were probably written when no one even considered the
> impact of spam.
Yeah, 1982ish. But the only things outdated here are the same tired
defenses of blocking null senders, defenses repeatedly shot down in
numerous fora by experts in mail systems administration. Many of these
same experts take draconian measures to block spam, but even they stop
short of such destructive behavior.
--Sandy
------------------------------------
Sanford Whiteman, Chief Technologist
Broadleaf Systems, a division of
Cypress Integrated Systems, Inc.
e-mail: [EMAIL PROTECTED]
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