wat te doen met ongewenste mailtjes?

Ik kreeg laatst (2-12-2005) onderstaand mailtje toegestuurd. Natuurlijk heb ik de afzender meteen geblockt. Maar wat kan men nog meer doen om te voorkomen dat je nog meer van die mailtjes krijgt.

Hello, Myfriend giveme your e-mail address. I thinkyou are fromNederland,so you can help me.I amaprogrammer ,I have some clients from Nederland that ready to pay me sending money byBanktransfer to aNederland bankaccount, they cannont use Western Unionofficenear their place, but I can receive onlyWestern Union transfers herein mycountry. So - I need to find somebodywho can receivethis Bank transfer and re-send moneyto meby sending WesternUnion transfer. If you help me-you willget 10% from transferred money (10% from 4000EUR = 400 EUR to you fromone transfer). If you are readyto help, please e-mail metoLOOKJOB@AOL.COM. Thank you foryour attention. Contact e-mail: LOOKJOB@AOL.COM

groetjes Ina