How to send messages in simple language?

This is the simplest, two edit boxes and one button, double-click the button to write code,

Connect the sending server ("smtp.qq.com", 25, "qq mailbox", "Mima").

Send an email (account number:+edit box 1. Content +# newline+ "m:"+edit box 2. Content, "qq mailbox", "qq mailbox")

That's the point. The contents of the edit box have been changed. Stop writing.