Strategies for stopping spam email?

[Jason]

Hi everyone,

I have made a silly mistake and used my email address for my twitter account and let it be visible to the public. Silly I know but I've done it (corrected now).

The problem is, I am receiving a lot of spam and I don't know how to prevent it. I have created a blacklist into which I add the email addresses from all the spam mail. Any mail from those addresses is automatically permenantly deleted, but that list is getting longer and I am having to manual add each email address.

Spam filters don't seem to be working as I a still revieving the spam in my inbox.

What can I do to stop it

Jay