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v t e Mail and postal systems
History	Timeline of postal history African countries Asian countries European countries Oceanian countries Pan-American countries Postal censorship	Envelope for mailing
Components	Advertising mail Bulk mail Envelope Indicia Information-Based Indicia Letter box Mail Mail bag Meter stamp Parcel Parcel locker Post box / Mailbox Relay box Post office Post office box Postage meter Postage stamp Postal code Postal marking
Delivery	Airmail Express Package delivery Registered Surface Surface Air Lifted (SAL)
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Processing	Intelligent Mail barcode Mail Isolation Control and Tracking Multiline Optical Character Reader Mail cover Mail sorting Package forwarding PLANET POSTNET
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Related	Courier Philately most expensive philatelic items Stamp collecting notable stamps catalogues Philatelic terminology
List of entities that have issued postage stamps	A–E F–L M–Z
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