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The Guardian - UK
The Guardian - UK
Technology
Jack Schofield

Hidden text in spam and phishing emails

When I printed out a phishing email to show to my local Barclays Bank, the printed version showed an additional paragraph which was not on the screen. Furthermore, the content is a strange, bizarre and incomplete piece. Why? Philip Robertson

Many spam and fishing emails contain invisible text, often random paragraphs copied from novels or reference books, to help them evade spam filters. You don't usually see it because the spammer uses HTML and sets the text colour to the same value as the background colour. You can reveal the hidden text in your mail software by selecting it with your mouse or pressing Ctrl-A for Select All.

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