golang smtp 邮件示例

package main

import (
    "fmt"
    "net/smtp"
    "strings"
)

func () {
    auth := smtp.PlainAuth("", "[email protected]", "password", "smtp.qq.com")
    to := []string{"[email protected]"}
    nickname := "test"
    user := "[email protected]"
    subject := "test mail"
    content_type := "Content-Type: text/plain; charset=UTF-8"
    body := "This is the email body."
    msg := []byte("To: " + strings.Join(to, ",") + "rnFrom: " + nickname +
        "<" + user + ">rnSubject: " + subject + "rn" + content_type + "rnrn" + body)
    err := smtp.SendMail("smtp.qq.com:25", auth, user, to, msg)
    if err != nil {
        fmt.Printf("send mail error: %v", err)
    }
}