[Dshield] Raynote appealing for ISP commonsense
Johannes B. Ullrich
jullrich at sans.org
Sat Jan 24 04:12:33 GMT 2004
> How can ISP A tell whether a given email address at ISP B is valid?
The problem is that there are too many ways to tell. And nobody
can agree on a particular one. Like it happens frequently, SMTP
is an entrenched, but broken, standard. Its extremely hard to
change anything about this.
I guess to some extend its not broken enough yet for people to
just scrap it and start all over again.
CTO SANS Internet Storm Center http://isc.sans.org
phone: (617) 837 2807 jullrich at sans.org
contact details: http://johannes.homepc.org/contact.htm
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