Answer:

remail

Answer	Crossword Clue
REMAIL	Return to sender, e.g.
REMAIL	Send again
REMAIL	Forward

REMAIL	Send again, as a letter
REMAIL	Post again.
REMAIL	Put in the post again.
REMAIL	Forward to a new address.
REMAIL	Forward.
REMAIL	Forward a letter
REMAIL	Forward letters
REMAIL	Forward, as a letter

REMAIL	Post again
REMAIL	Forward, say

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.