Re: [Exim] local-part testing

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Autor: Nigel Metheringham
Data:  
Para: uk
CC: exim-users
Asunto: Re: [Exim] local-part testing
uk@??? said:
> I am not subscribed to this list but I got an important question:


This is rather poor list etiquette.

> We are looking for an exim mechanism to test, if a local part of an
> email address at a remote host is valid or not.


> For example: A user gives us his emailaddress kdjfiueirui87@???.
> How can we find out if this is a valid local user of AOL or not
> without sending him a testmail?


You cannot. This isn't an exim problem - the only way you can test if
a remote address can receive mail is by sending mail to it.

You might, for a few sites, be able to get a set of rules for formats
of valid local parts and test for matches against those - but this is a
dangerous and likely to break technique.

    Nigel.
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[ Nigel Metheringham                  Nigel.Metheringham@??? ]
[ Phone: +44 1423 850000                         Fax +44 1423 858866 ]