Looking on the internet deeply has found these results:

sent to is the most popular phrase on the web.

sent for 11,450,000 results on the web	sent to 1353,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
To cause to be conveyed by an intermediary to a destination: send goods by plane. 2. To dispatch, as by a communications medium: send a message by radio . ... something to come to you or be delivered to you. In the end we had to send for an ambulance. I've sent for their latest catalogue. Synonyms and related words ... for;) to dispatch a request or command (for something or to do something): he sent for a bottle of wine; he sent to his son to come home. 3. (tr) to direct or cause ... Summon someone, request that someone come, as in She sent for all the children when ... Order a delivery of something, as in The king sent for a bottle of wine.	Body was sent to Hart Island. He was a Ba'athist agent sent to spy on you. After Turczynek I was sent to Warsaw. She was sent to murder your child. This body Mulder sent to Quantico. Cases which needed inquiry were sent to the competent authority. The one who was sent to kill them. He was sent to his death by men in government.

sent for

11,450,000 results on the web

sent to

1353,000,000 results on the web

More popular!

To cause to be conveyed by an intermediary to a destination: send goods by plane. 2. To dispatch, as by a communications medium: send a message by radio .
... something to come to you or be delivered to you. In the end we had to send for an ambulance. I've sent for their latest catalogue. Synonyms and related words ...
for;) to dispatch a request or command (for something or to do something): he sent for a bottle of wine; he sent to his son to come home. 3. (tr) to direct or cause ...
Summon someone, request that someone come, as in She sent for all the children when ... Order a delivery of something, as in The king sent for a bottle of wine.