[imp] from_addr hook

[Chuck Hagenbuch]

Quoting Tim Gorter <email@teletechnics.com>:

> but nothing happens, I made sure there was no entry in the database for
> the user. To tell you the truth I checked imp/lib/Identities/imp.php and
> cannot see any check for hooks there either.

It's in horde/lib/Prefs.php. Signatures are in the 'identity' prefs
combination, so that might be trickier...

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"After a few minutes the most aromatic and nice smelling Italian coffee 
 will come out of the exhaustpipe." - Our stove-top espresso pot