Conditions Rule Limit

Hi there!Somebody knows how many rules can I create into a Lotus Rule?

I have a list of 50 email addresses that need show on Inbox folder. Any other mail from anybody, I need to send to a folder named Temp.

But, when I charge one more after 16 conditions (or around), the next addresses are not considered.

By instance:

WHEN sender is not dir1@dom.com

AND sender is not dir2@dom.com

AND sender is not dir3@dom.com

AND sender is not dir 17@dom.com

THEN move to folder Temp

The point is that mail from dir17@dom.com is moved to folder Temp, while I hope that it is not moved.

Any idea?

Thanks to anybody in advance.