sends his regards
El jefe te manda saludos.
Your boss sends his regards.
— El salario del miedo (1953)
Te manda saludos.
Sends you greetings.
— Todo sobre mi madre (1999)
La abuela te manda saludos.
Grandma sends her regards.
Hoy he hablado con él por teléfono, te manda saludos.
I spoke to him on the phone today, he sends his regards.