Re: [exim] greylisting issue

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Autor: Walt Reed
Datum:  
To: exim-users
Betreff: Re: [exim] greylisting issue
On Thu, Apr 21, 2005 at 05:43:06PM +0100, Daniel Watts said:
> Craig Jackson wrote:
> >My experience has been that some of their confirmations are dropped.
> >We've received a few retries recently. And I see they are listed in
> >the whitelist database the a poster sent yesterday:
> >http://greylisting.org/whitelisting.shtml
> >
> This is actually quite a big issue for greylisting in general. A mail
> provider with 1000's of members is GOING to get email lost. Which means
> a lot of irate customers.
> I was going to use greylisting on my own box but this is making me think
> twice.


I've been looking at greylisting ONLY sites that don't have reverse DNS.
From looking at my logs, it looks like it would be fairly effective with
minimal negative impact.