Re: [exim] When to use dns block lists

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Autor: Peter Bowyer
Data:  
Para: exim-users
Assunto: Re: [exim] When to use dns block lists
On 09/02/06, John Oxley <john@???> wrote:
> Is there any reason why I shouldn't use dns block lists in the
> acl_smtp_connect?


The only one commonly voiced is that some spamware doesn't understand
a DENY on connect, and will enter a tight retry loop, using up your
resources and filling up your logs. Most common practice is to do all
the DENYing at RCPT time - you get the added benefit of more
information about the proposed transaction at that point, too.

Peter

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Peter Bowyer
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