Andrew - Supernews wrote:
However, and this is the important point, looking for multiple different
HELO values from a single ip is a _MASSIVELY_ effective way of detecting
spam sources. If you configure your server to use a variable HELO then
you _will_, sooner or later, find that people end up blocking you as a
result. If you've never used this method of detecting spam (and it takes
a fairly large mail flow into several domains to really do it right) you
would not believe how amazingly effective it can be.
Do you have any recipes/examples for doing this that you would be
willing to share?
Tim
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