24 May
2001
24 May
'01
8:09 p.m.
On Thu, May 24, 2001 at 09:46:19AM -0700, Eric A. Hall wrote:
TCP rate-limiting on outbound traffic to *:25 would also be extremely effective, particularly on unclassified customer traffic, and without the heavy-handed nature of denying all dial-up traffic. Rate-limiting doesn't interfere with low-volume legitimate mail, but it really cramps spam.
It interferes heavily with transmission of large files via email, though, and this *IS* a valid use of service.