[Dovecot] spam filtering with amavis

I'm filtering that is being deliverd to postfix mail server with amavisd-new .

I want spam with spam f level 1 - 8 to ad a tag any everything above to be delete is this posebol?

If yes how?

Met vriendelijk groet,

Bas van Dikkenberg

GISkit bv

BFVD1-RIPE

Tel: +3130-6340430

Fax: +3130-6342433

Prive Tel: +3130-6372769

Mob: +316-52384841