How to Say "mailbag" in Spanish
The Spanish word for “mailbag” is “valija” — B2 level.
English → SpanishB2
nounB2formal
postal or courier transport

Examples
Los documentos llegaron ayer por valija diplomática.
The documents arrived yesterday via diplomatic pouch.
El mensajero lleva la valija postal al correo central.
The courier is taking the mailbag to the central post office.
Formal Set Phrases
When used in a professional context, it often appears in the fixed phrase 'valija diplomática', which refers to a container that cannot be searched by customs.
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