On Sat, Jun 11, 2005 at 04:25:22PM +0800, Robert Storey wrote: > I didn't follow this entire discussion from the beginning, so maybe it's been > said already, but if all these spoofed address messages result in you > receiving a bunch of "undeliverable" returns, why not filter on the word > "undeliverable" in the Subject line? You could do that easily with > Mailfilter, SpamAssassin, even Kmail's filter feature.
That is one approach however it is unfortunate that there is no standard format for bounce message. The null sender is a bit more reliable.
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