what actually happens with rejected mail?
cswiger at mac.com
Mon Jun 30 10:13:46 PDT 2003
Marco Beishuizen wrote:
[ ... ]
> Everything is working fine, but now I wonder what happens with the
> spammail that is being rejected? Are those spammails being deleted? Or
> are they send back to my ISP? My maillogfiles show that spam is
> correctly filtered, and a message with the errorcode is send back. But
> who else is seeing those errormessages?
Probably nobody. Normally, when your mail server rejects an incoming message
with a 5xx, the sending MTA is supposed to generate a DSN to the sender, letting
them know that their attempt to mail you failed (with the reason you gave).
In the case of spam, that address is typically forged and the spamware MTA may
well simply drop the reject.
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