Re: [exim] Simple greylisting in Exim ACL.

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Autor: Adrian Phillips
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Dla: exim users
Temat: Re: [exim] Simple greylisting in Exim ACL.
>>>>> "David" == David Woodhouse <dwmw2@???> writes:

    David> On Fri, 2007-02-09 at 00:19 +0800, W B Hacker wrote:
    David> Hm. I'm not sure about 'SELECT foo AS
    David> somearbitraryvariable' but we _could_ probably make it set
    David> a variable named according to the _field_ name. So a lookup
    David> 'SELECT helo,host,expire FROM greylist where blah' could
    David> set variables like $acl_m_helo, $acl_m_host, $acl_m_expire.


    David> Actually that's a really bad example and we'd probably want
    David> to name them $sql_helo, $sql_host or something like
    David> that. But the nomenclature is unimportant. We can now do


    David> And of course it only really works like this when there's
    David> _one_ result.  I'm happy enough to declare that it sets the
    David> variables according to the _last_ result returned by the
    David> lookup.


Why the last not the first (wouldn't the first be quicker in the code
as well) ?

Sincerely,

Adrian Phillips

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