Re: [exim] Greylisting - how do you implement?

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Autor: Mar Matthias Darin
Fecha:  
A: exim-users
Asunto: Re: [exim] Greylisting - how do you implement?
Hello,

Derrick writes:

> Any drawbacks?


There is only one major drawback that I'm aware of - delayed mail. The best
approach I have found is to keep the time that a message is gray listed very
low and keep a good sized cache to mitigate the delay for well behaving
systems. Also, a whitelist is a way to skip the process altogether for
trusted systems.

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