[IMP] [WIP] mail: Set an OpenERP alias as the bounce address.

Attempts to fix issue #3347.

This makes OpenERP 7.0 issue a SMTP MAIL FROM command with an address it "owns".
Le 05/12/14 10:04, Olivier Dony a écrit :
> > +        return postmaster, domain
>
> Is there any good reason to split the |postmaster| and |domain|
> results? Most of the time the caller will have to join the result
> before using it as an email, i.e. more code noise. Instead just return
> a single string in |postmaster@domain.com| form and for the unlikely
> case where it needs to be split up, the caller will do the
> |split('@')| call.
>
Ah! That was needed when I checked whether or not the From had the same
domain. I'll join it.