> On 05/26/2010 02:38 AM, Matus UHLAR - fantomas wrote:
> >
> > What would I like to add:
> > - validate recipient domain
> > - validate sender address

On 26.05.10 20:32, Gordon Messmer wrote:
> courier-pythonfilter has a module for the latter.  The former would be 
> trivial to write.

Is that applied as soon as mail from: is received?

> > This could give us advantage on MX relays, which could e.g. mirror
> > recipients database using ldap...
> 
> If you're talking about validating the recipient of a non-local domain 
> for which you're a relay, the best way to accomplish that is probably to 
> set up a job that creates an alias file listing all of the valid 
> addresses and mapping them to the destination server.  Make the domain a 
> hosteddomain, and Courier will validate the addresses.

not that easy, but yes this is possible problem.

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