From: Dan Horne (no email)
Date: Wed Sep 06 2006 - 11:55:50 EDT
> Imail is crap. Just look at http://tinyurl.com/6pmra to see
> an example of their knowledge.
As a former Imail user, I have to agree. The Imail community tried
unsuccessfully to get that option removed for many years. The best they
did was to get it moved to a manual windows registry hack (described in
your link) instead of a checkbox in the main GUI labeled "Refuse NULL
Senders" with no explanation or warning.
The problem described is most likely an Imail server that is under heavy
load due to dictionary attacks. The software in versions 8 and under
didn't have any defense against dictionary attacks (later 8.x versions
had some registry hacks), and a server could be easily DOS'ed because of
it. It was because of this problem that I moved to postfix, first as a
gateway to Imail to mitigate the dictionary attacks, then replacing
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