Answer: snailmail

AnswerCrossword Clue
SNAILMAILPostal service, disparagingly
SNAILMAILPostal delivery
SNAILMAILLetters on trucks
SNAILMAILPostal deliveries
SNAILMAILThere's a lot of junk in it
SNAILMAILStuff in a box on the street
SNAILMAILDead-tree letters
SNAILMAILDead-tree correspondence
SNAILMAILSlow non-electronic messages
SNAILMAILStamped correspondence
SNAILMAILPostal delivery, informally
SNAILMAILPosted bills, e.g.
SNAILMAILCommunication means for computer-phobes
SNAILMAILNonelectronic correspondence
SNAILMAILOne way to pay a bill