Re: [exim] Exim rejects: syntactically invalid argument

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Author: Adam Funk
Date:  
To: exim-users
Subject: Re: [exim] Exim rejects: syntactically invalid argument
On Wednesday 28 September 2005 11:14, Tony Finch wrote:

> There are plenty of other things that turn up in HELO hostnames which
> *are* an accurate indicator of evil behaviour.


I have to ask: what do the malefactors expect to accomplish by sending
helo strings that violate such tests (which I think are well-known)?