Spam is unsolicited e-mail. It is often commercial in nature and may contain viruses or other malware.

Legitimate, non-spam e-mail is sometimes called ham.


The best way to protect yourself from receiving spam is to never give out or publish your e-mail address.

If you ever need to sign up for something online with your e-mail address, make sure to review the website's privacy policy and if possible, opt out of any solicitation or information sharing.

Spam Do's and Don'ts


  • Respond to any messages you know are Spam.
  • Don't try and unsubscribe, unless you know you subscribed in the first place.
  • Share your password.
  • Follow e-mail links, expecially if they ask for your credentials.
  • Open unexpected or unknown attachments.


  • Check sites privacy polices before supplying your email address
  • Use a disposable email address.


Gustavus offers server-side spam control through a program called SpamAssassin. The spam filtering settings page offers a web-based interface to configure these settings for your e-mail account.

Some e-mail clients like Apple Mail and Mozilla Thunderbird offer built-in spam detection.

See also

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