Re: Problems effectively using SPF with SRS

On Mon, Sep 20, 2004 at 04:59:30PM -0600, Steve Meyers wrote:
| Meng Weng Wong wrote:
| >you can pick apart the SRS encoded return path to tell who
| >the original return path was...
| 
| Doesn't that depend on the SRS implementation though?  I was under the 
| impression that there was no standard for the encoding.  In fact, don't 
| some implementations use a database to store the info?
| 

well, there's the conventional SRS encoding, and there's the
stuff that other people are welcome to come up with.

The conventional encoding preserves the original address.

I should note that using SUBMITTER, which allows you to
preserve MAIL FROM, would get around this problem entirely,
but SUBMITTER is not widely deployed at all.