nanog mailing list archives

Re: Barracuda Networks Spam Firewall


From: Todd Vierling <tv () duh org>
Date: Tue, 18 May 2004 16:13:20 -0400 (EDT)


On Tue, 18 May 2004 Valdis.Kletnieks () vt edu wrote:

: Yes, it *would* be nice if everybody in the world was able to DTRT on
: their outward-facing gateway and send back an immediate 550 on a RCPT TO:
: in order to stop stuff right up front.  However, this implies getting
: buy-in and resources of all the appropriate people.

Blocking outbound mail from such entities is a pretty good way to get
buy-in.  (Yes, there's a DNSBL in work to enumerate such systems.)

-- 
-- Todd Vierling <tv () duh org> <tv () pobox com>


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