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Re: spamd & grey-listing innovation
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: spamd & grey-listing innovation
- From: Chuck Yerkes <chuck+obsd_(_at_)_2004_(_dot_)_snew_(_dot_)_com>
- Date: Mon, 5 Apr 2004 02:54:22 -0400
Quoting Ed White (ed_(_dot_)_white_(_at_)_libero_(_dot_)_it):
> > You aren't wasting much bandwidth unless you mail server is so broken that
> > it accepts the entire message body before issuing a reject for an invalid
> > address.
> I think it's defined by SMTP RFCs.
250 HELO blah [10.9.8.7]
>>> MAIL From:<user_(_at_)_example_(_dot_)_com> SIZE=32
250 2.1.0 <user_(_at_)_example_(_dot_)_com>... Sender ok
>>> RCPT To:<baduser_(_at_)_destination_(_dot_)_tld>
550 no such user
I'd guess it took around 10 packets in total.
I have a list of addresses taht are 100% spam (obsd_(_at_)_snew_(_dot_)_com).
I direct them to feed the bayesian filters.