Is it legitimate to put "spam" (the junk email kind, not the trademarked meat) in all caps?

An example I've recently read is

Please read before flagging as SPAM (a reminder from your moderators) – ends Sep 5

1 Answer 1


In ordinary formal writing, spam should not be capitalized. In your example, the author could have capitalized it for emphasis or because it reflects the way it is written in the user interface.

  • Can you cite a source for this rule?
    – Joshua
    Jan 29, 2019 at 22:15
  • Seems logical to me. Spam looks like a proper noun, so I would assume it is the "meat product". spam is unsolicited commercial email (UCE). SPAM probably refers to UCE but is actually the correct trademark of the meat product.
    – rinogo
    Mar 18, 2019 at 21:26

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