Believe me, there are good reasons to use whitelists within spamdyke
on bigger installations. Not because I'ld like yahuh, hotfail or so.
In the last time I see a trend that more and more spam seems to be
send out via mailservers from well known carriers/isps. The botnet
driven sites mainly go directly out and can relative easily be
filtered (rbls, spamdyke options, simscan-score-points, ..). But
those that comes in from huge mailservers you can't really block;
if doing so you would block 99,9% of ham mails coming in from there
too.

In the past weeks we had a lot of success in blocking spam from
botnets - some of them can be simple identified by sender adress
etc. and with a combination of dns white-/blacklists _and_ rules
within spamdyke nearly all of these shit was blocked, very nice.
But - as I said - one will not block normal mailservers, and this
fine combinated rules worked fine for botnet-driven-pcs, but all
thos mail that came in via normal mailservers weren't blocked 
because of the general whitelist behaviour in spamdyke.

I understand sam, the rules are consistent and one should not
confuse the admin. So, what's about a additional rule named e.g.

[email protected]

or something like that?

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