Newbie needs help with Spam/Spam Assassin

My email is through my website: www.rimesrv.net which is hosted on www.totalchoicehosting.com and they use Spam Assassin for spam filtering. I don't know a lot about SA. Over the last weeks or a month my spam has increased dramatically. What is particularly frustrating is that I get many in the

Is digest available?

Hi, Can I get a daily digest instead of individual emails? Brooks