CleanMessage.com troubles

We started using CleanMessage.com a few weeks back to eliminate some spam.
We've been having problems with them such as:

1) Their whitelist doesn't seem to work.
2) Newsletters I received for a month under their service without problems
are now suddenly deemed to be spam.
3) Asking for release of specific emails deemed to be spam (but really
weren't) doesn't always work.

The service is saving me time in siphoning off a couple hundred spams for me
a day.  But others here who receive very few spams are more than making up
for that time savings with their complaints to me that this service is
taking _more_ of their time, not less.

At least 1 other company here was using their service.  How has it been
working lately?

-- 
Jeff Crosby
Dilgard Frozen Foods, Inc.
P.O. Box 13369
Ft. Wayne, IN 46868-3369
260-422-7531

The opinions expressed are my own and not necessarily the opinion of my
company.  Unless I say so.