RE: [Nms-cgi-devel] Questions regarding email filter...

[Simon W. <es...@ou...>]

On Tue, 2003-02-11 at 16:09, Wizard wrote:
> > A little more context ? What are you trying to DO ?
> >
> > I probably don't understand the requirement but from what you're saying:
> >
> > An email address arrives from somewhere
> > It's checked for well-formedness
> > It's compared to a list of regexes of known banned addresses
> > It is accepted/rejected based on this
> 
> I want it to be universal. For instance, how would you parse this:
> *@*.aol.*
> 
> into:
> fr...@ao...
> fr...@ma...
> and
> fr...@mi...
> 
> It should match the first two, but not the last, because the DOMAIN in the
> last is 'parliment', not 'aol'.

I don't think you can do this programatically. Strictly speaking, aol.*
should NOT match aol.co.uk. It;s only your semantic interpretation of
the data that "knows" that aol.co.uk and aol.com are the same
organisation.

How do we know *programatically* that aol.parliament.uk is not part of
AOL ?

Simon.