Crossword Clue:

a box for posting mail

AnswerCrossword Clue
SHIPMail in a box
SENTPut in a mail box
SLOTPart of a mail box.
LETTERDROPSnail mail box
HPORoad travelers' mail box
SPAME-mail box clogger
VOICEWord before mail or box
SPAME-mail in-box filler
VOICEWord with mail or box
POSTSDrops in the mail box
VOICEKind of mail or box
SPAMJunk mail in your e-box
UNSENTStill in the out-box, as mail