Is “Mailbag” a Scrabble word?
Yes
MAILBAG
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Mailbag
noun
1.A strong canvas bag used for the transportation of mail
2.A smaller bag, slung from the shoulders, used for the delivery of mail