If that only sender is sending you spams. Just block that email. Are you using your own servers mail or from the free email service providers like google, yahoo? You can integrate your own server email with free service providers to take advantage of their user-friendly and hi tech features. On the other hand Check and white list your real senders. White listing is adding your known email addresses to your address book.
now a days there are lot of plug in you can add and install to bounce the spam email . and also using the anti virus software
How are these guys getting email addresses in the first place? What kind of precautions are necessary in order to prevent future spam invasion?
Email spammer cant stop i guess nowadays.. And now things get worse because spammer already get in to chat box facebook..