if your current [spammed] mail account allows forwarding of mails then u may try forwarding them to a gmail account.
gmail use a very effective spam fiter, it may b able to redirect those spams to its spam folder
or if pop3/IMAP supported by ur mail then use thunderbird. its spam fileter too is good [never got a chance to test it tho as all my mails are gmail/ google apps]
if ur paranoid reg spams,get a new id @ http://bluebottle.com
infact almost 0 spams.(what they do is for every mail,they will send a confirmation from the sender!)
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