[dev] imp's blacklist error handling

[John Morrissey]

I noticed that imp's blacklist/whitelist code doesn't display errors
returned by sam's API functions. I searched the list archives and found some
previous work by Amith <amith at xalan.com>:

http://marc.theaimsgroup.com/?l=horde-dev&m=104687670731056&w=2
http://marc.theaimsgroup.com/?l=horde-dev&m=104703155731585&w=2

Chuck suggested that he use the userinfo argument to PEAR::raiseError() to
return which addresses failed/succeeded. Jan suggested he pass a PEAR_Error
into the Notification framework.

I'm interested in fixing this; could someone please comment on these and
give me some quick direction?

thanks!
john
-- 
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