Spanish phrase
Te escribo por ~.
Meaning
I am writing to confirm ___.
When to use it
States that the sender is contacting to confirm something. Used to open emails or messages to check plans or details, tone varies by context.
Example dialogue
Te escribo por si la cita del jueves sigue en pie.
I am writing to confirm whether the appointment on Thursday is still on.
Sí, sigue igual, nos vemos el jueves a las 10.
Yes, it's still on. See you on Thursday at 10.