Answer: MAIL

AnswerCrossword Clue
MAILUser's morning reading
MAILSend
MAILPost office delivery
MAILKind of bag or box
MAILLetters in a box
MAIL"You've got .."
MAILE or G follower
MAILPost office sackful
MAILPostal delivery
MAILKnight's protection
MAILPostal sackful
MAILIt might be registered
MAILJunk ..
MAILPost
MAILIt may be registered or certified
MAILWord with fan or snail
MAILKnight dress?
MAILSnail ... (slow post)
MAIL"The check's in the ..."
MAILLetters
mailsystem to deliver mail
MAILFour letters?
MAILIt may be junk
MAILIt may be electronic
MAILWeekday delivery
MAILIt's often junk
MAILKnight wear
MAILBills, etc.
MAILFlexible armor
MAILIt's in the bag
MAILOutdoor box contents
MAILDaily delivery
MAILCorrespondence
MAILKnightwear?
MAILCubbyhole contents, maybe
MAILVacation cancellation
MAILReader responses, possibly
MAILRelatively lightweight armor
MAILVacationer's accumulation, perhaps
MAILE follower