Author: Marc Sherman Date: To: exim-users CC: Ken Lowther Subject: Re: [exim] Heads up?
Tony Finch wrote: > On Tue, 22 Mar 2005, Ken Lowther wrote:
>
>
>>http://www.alphaworks.ibm.com/tech/fairuce >
> Challenge/response systems are a recipe for losing desirable email.
Not to mention generating significant amounts of collateral spam, and
annoying legitimate correspondents.