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> On Mon, 31 Mar 2008 12:59:05 -0700
> Joe Sloan <email@example.com> wrote:
>> John Rudd wrote:
>>> Just because they're in a non-windows environment doesn't mean they >>> can't possibly be sending out viruses. The person who expressed >>> that is, as I said, being naive. And, irresponsible.
>> While it's fine to talk theory, the facts of the matter are fairly >> clear. We run mail servers that see tens of millions of messages >> monthly on behalf of 15,000 users. Out of the thousands of different >> viruses we've encountered over the years, we've never seen one that >> wasn't sent from ms windows.
> I have found quite a few improperly configured MTAs that are spewing out
> SPAM. These are virtually always on a *nix system since the common Win32
> user does not have an MTA installed by default. I have seen numerous
> posts on the Postfix forum for instance where a novice user has
> configured his mail server as an open relay. While this is not exactly
> a VIRUS/PHISHING problem in itself, I find it rather strange that you
> can state that you have never seen either originate from other than a
> Windows machine.
I'm not sure what you think is strange about it, it's simply a fact.
If someone has misconfigured a unix smtp server so that it's an open relay, is discovered by spammers and used to relay spam, that's an unfortunate situaton but what does that have to do the origin of the virus emails?