An employee has contacted the End User Support Help Desk where you work and is complaining they are unable to view an image sent to them by a 3rd party partner. Instead of the image they see a black square with a small icon in the corner where the image should be. The user reports that her boss sent an email with an image which displayed correctly. What is most likely causing this issue?

  • The image is an HTTP or HTTPS image and the email client is not configured to use the company's HTTPS reverse proxy
  • Antivirus has flagged the image
  • Security settings in the email client
  • The image was not encrypted using SMTPS or IMAPS so the client is refusing to display it
  • The company Host Intrusion Prevention System (HIPS) has blocked the image's URL

CompTIA A+ 220-1001
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