Hi Jeff, hi Bill,

Bill Taroli [EMAIL PROTECTED] wrote:
> The relevant part of the SA output I was thinking of is below
> [...]
> In reading Received.pm and EvalTests.pm, it appears as though it only
> goes as far as MX lookup on domain and rDNS to confirm the identity of
> the MX host. So the callback you mentioned isn't there. But perhaps this
> could prove a starting point to which the callback could be added for a
> Coruier::Filter? 
> 
> [...]
> In fact, it would appear this is what SourceForge is using. According to
> their docs, the SMTP dialog looks like this:
> [...]
> 
> So maybe a combination of SA functionality (to do basic MX lookup
> testing) followed by a full MX callback? I tracked the callback function
> to verify.c in the Exim source. Now just to find time to sit down and
> write code. :-) 

I think you'd be well advised to use Mail::CheckUser[1], which does exactly what you 
want.  This makes writing a Courier::Filter::Module::CallBack module trivial.

[1] http://search.cpan.org/search%3fmodule=Mail::CheckUser



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