Mississippi Office
of Homeland Security

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Suspicious Mail

Adapted from information provided by the U.S. Postal Service

  • Type of mail: Foreign, Priority, Special Delivery
  • Restrictive endorsements: Confidential, Personal, To Be Opened by Addressee Only
  • Visual distractions: Fragile, Rush, Handle With Care
  • Excessive postage (usually postage stamps)
  • Fictitious or no return address
  • Poorly typed or handwritten addresses
  • Incorrect titles
  • Titles but no names
  • Misspellings of common words
  • Oily stains or discolorations
  • Excessive or uneven weight distribution
  • Excessive binding material: masking, electric or strapping tape; string; twine
  • Rigid, lopsided or uneven envelope
  • Protruding wires, screws or other metal parts
  • Postmarked from area different from return address
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