Ik ontvang af en toe een lege email zonder afzender en tekst op een ouder email adres.

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Ik kan deze met geen mogelijkheid blokkeren of m.b.v. mailer rulers doorsturen naar mijn spammailbox.
Ik gebruik windows 7 met microsoft outlook 2003

Hoe kan ik hiervan afkomen?

Alvast bedankt,

Johan