Re: Source routing -- why not?

["John R Levine" <johnl@xxxxxxxx>]

> > After further deliberation about source routing and SPF, I have come
> > around to the conclusion that Frank is to some degree right, and if
> > you want to use SPF/Sender-ID, you should use source routes.
>
> Source routes require all mail servers to be open relays.

Only in a naive implementation.  SPF already requires that participating
hosts be prepared to handle arbitrarily complex procedures, so adding one
more shouldn't be a big deal.  If it is a big deal, well, perhaps we're
seeing a problem with SPF more than with source routes.

Regards,
John Levine, johnl@xxxxxxxx, Primary Perpetrator of "The Internet for Dummies",
Information Superhighwayman wanna-be, http://iecc.com/johnl, Mayor
"I dropped the toothpaste", said Tom, crestfallenly.