Spanish phrase
Te mando un mensaje por ~.
Meaning
I'll send you a message by ___.
When to use it
States intent to contact someone using a named channel. Neutral tone used in casual and business settings, formality varies with the medium.
Example dialogue
Te mando un mensaje por correo electrónico.
I'll send you a message by email.
Perfecto, lo revisaré.
Perfect, I'll check it.