How do I change my e-mail FILTER settings?

Question:

How do I change my e-mail filter (Barracuda/Tangent) settings (password, whitelist, blacklist, allow, deny, mark as spam, block, etc.)?

To allow or to block mail see Spam E-mail Filtering (Allow/Block mail).

To understand Quarantine options see What are these Spam Quarantine Messages (and who is Barracuda)?.