What is the order of processing of e-mails coming in from the outside
via GWIA and client to determine whether an e-mail message actually
gets to the client's mailbox

Is it :

1. Exception - Allow Messages From
2. Exception - Block Senders From

in Client
1. Address Book (sender exists)
2. Trust List (sender is listed)
3. Junk List (sender is listed)
4. Block List (Sender is listed)

What I'm asking is what takes priority over what when setting these
things up ?