snail mail

US /ˈsneɪl meɪl/
UK /ˈsneɪl meɪl/
"snail mail" picture
1.

correio normal, correio de caracol

the regular postal service, as opposed to email or other electronic communication

:
I sent the documents via snail mail, so they might take a few days to arrive.
Enviei os documentos por correio normal, então pode demorar alguns dias para chegarem.
Even in the age of email, some people still prefer to send invitations by snail mail.
Mesmo na era do e-mail, algumas pessoas ainda preferem enviar convites por correio normal.