golang 发送邮件（不带附件）

package main

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

var (
 subject = flag.String("s","","subject of the mail")
 body = flag.String("b", "", "body of email")
 reciMail = flag.String("m","","recipient mail address")
)

func main(){
 flag.Parse()
 sub := fmt.Sprintf("subject: %s\r\n\r\n",*subject)
 content := *body
 mailList := strings.Split(*reciMail,",")
	
 fmt.Println(sub)
 fmt.Println(content)
 fmt.Println(mailList)
	
 auth := smtp.PlainAuth(
 "",
 "jackma_www@126.com",
 "12345pwd",
 "smtp.126.com",
 )
	
 err := smtp.SendMail(
  "smtp.126.com:25",
  auth,
  "jackma_yyy@126.com",
  mailList,
  []byte(sub+content),
 )
	
 if err != nil {
  log.Fatal(err)
 }
}

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