North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Spam filtering bcps [was Re: Open Letter to D-Link about their NTP vandalism]
On 4/11/06, Matthew Black <[email protected]> wrote: > > Are you suggesting that we configure our e-mail servers to notify > people upon automatic deletion of spam? Frequently, spam cannot be > properly identified until closure of the SMTP conversation and that > final 200 mMESSAGE ACCEPTED...or do you think that TCP/IP connection > should be held open until the message can be scanned for spam and > viruses just so we can give a 550 MESSAGE REJECTED error instead of > silently dropping it? > You can reject right after DATA, at the <CR><LF>.<CR><LF> stage, before QUIT That's still an in line smtp reject rather than an accept + bounce DSN. Exim with the spamassassin patches (sa-exim) does this, for example. -srs
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