incorrect spam setups cause spool messes on forwarders

Daniel Roesen dr at
Tue Dec 2 12:54:09 UTC 2003

On Tue, Dec 02, 2003 at 03:37:00AM -0700,  John Brown (CV) wrote:
> telling spammers 4xx or 5xx doesn't matter, they don't listen.

Exactly this is the flawed point about returning 4xx. They produce
only collateral damage, but don't hit their target at all.


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