We run v8.03 on a Win NT 4.0 box. I must say that I am thoroughly
unimpressed by this server software, especially its anti-spam features.
I put in just as much time dealing with spam as I did when we were
still using v6.x, which didn't have any anti-spam features. I have some
users back up to receiving 25-30 spams a day. And no matter how much I
use antispamseeder.exe, the spam getting through never decreases and
the false positives that get snagged never decrease. Addresses in the
white list don't always work, and my response from Ipswitch was "you
must have connection filtering enabled and that's blocking it," even
though I told them we do not. The queue manager chokes about once a
month, requiring that service to be reset, which isn't so bad except
for the fact that it takes everyone an hour or two to realize that they
haven't received any mail in an hour or two. The logs only provide
moderate help -- I'm still pulling for them to allow the admin to
insert an X-header to spam AND forward it to a different mailbox.
I've basically been on a rant, but I do have a question for you
folks... what have you found to be the most effective method of
fighting spam while avoiding false positives? I even attended a two-day
Ipswitch seminar to have them answer this question. Their answer? They
didn't give me a straight one. Biggest waste of $1500 I have ever seen.
--Dan
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