[Mimedefang] OT: New Sendmail spam block

[James Ebright]

On Thu, 24 Mar 2005 13:39:26 -0500, David F. Skoll wrote
> Ben Kamen wrote:
> 
> > I've now run into 2 universities that are blocking email based on invalid
> > hostnames at the HELO sequence.
> 
> I agree that this is wrong.

I would agree that this is wrong if the invalid hostnames are from networks
beyond the colleges control. 

However, if the invalid HELOs are using IPs/Domains in the colleges own
network then I would say this is perfectly valid and no more wrong than what
most of us do here, which David already spelled out (we block "BOGUS HELOS" in
the same manner that David mentioned with one exception.... I store the
results in a state file that gets examined only if a user fails authentication
later on).

So, I would have to say... "it depends."

Jim

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