func SendEduEmail(user, password, host, to, subject, body, mailtype string) error {
	hp := strings.Split(host, ":")
	auth := smtp.PlainAuth("", user, password, hp[0])
	var content_type string
	if mailtype == "html" {
		content_type = "Content-Type: text/" + mailtype + "; charset=UTF-8"
	} else {
		content_type = "Content-Type: text/plain" + "; charset=UTF-8"
	}

	msg := []byte("To: " + to + "\r\nFrom: " + user + ">\r\nSubject: " + subject + "\r\n" + content_type + "\r\n\r\n" + body)
	send_to := strings.Split(to, ";")
	err := smtp.SendMail(host, auth, user, send_to, msg)
	return err
}

package main

import (
	"fmt"
)

func main() {
    send_email_test1()
}


iunc send_email_test1()  {
	var to  = []string{"[email protected]", "[email protected]"}
	from := "[email protected]"
	nickname := "张亚飞"
	secret := "xxxxxxxx"
	host := "smtp.qq.com"
	port := 25
	subject := "Perfect Vue Admin 发送邮件测试"
	body := "测试内容"
	if err := go_email.SendEmail(from, to, secret, host, nickname, subject, body, port,  true); err != nil{
		fmt.Println("发送失败: ", err)
	}else {
		fmt.Println("发送成功")
	}
}

// Email is the type used for email messages
type Email struct {
	ReplyTo     []string
	From        string
	To          []string
	Bcc         []string
	Cc          []string
	Subject     string
	Text        []byte // Plaintext message (optional)
	HTML        []byte // Html message (optional)
	Sender      string // override From as SMTP envelope sender (optional)
	Headers     textproto.MIMEHeader
	Attachments []*Attachment
	ReadReceipt []string
}

e.Send("smtp.163.com:25", smtp.PlainAuth("", "[email protected]", "<你的密码>", "smtp.163.com"))

e := email.NewEmail()
e.Cc = []string{"[email protected]"}
e.Bcc = []string{"[email protected]"}

auth := smtp.PlainAuth("", "[email protected]", "<你的密码>", "smtp.163.com")
p, _ := email.NewPool("smtp.163.com:25", 4, auth)

package go_email

import (
	"crypto/tls"
	"fmt"
	"github.com/jordan-wright/email"
	"log"
	"net/smtp"
	"strings"
	"time"
)

var (
	pool *email.Pool
	maxClient int = 10
)


func SendEmail(from string, to []string, secret string, host string, nickname string, subject string, body string, port int, ssl bool) error {
	auth := smtp.PlainAuth("", from, secret, host)
	e := email.NewEmail()
	e.From = fmt.Sprintf("%s<%s>", nickname, from)
	e.To = to
	e.Subject = subject
	e.HTML = []byte(body)
	hostAddr := fmt.Sprintf("%s:%d", host, port)
	if ssl {
		return e.SendWithTLS(hostAddr, auth,&tls.Config{ServerName: host})
	}
	return e.Send(hostAddr, auth)
}

func SendEmailWithFile(from string, to []string, secret string, host string, nickname string, subject string, body string, port int, ssl bool,attach string) error {
	auth := smtp.PlainAuth("", from, secret, host)
	e := email.NewEmail()
	e.From = fmt.Sprintf("%s<%s>", nickname, from)
	e.To = to
	e.Subject = subject
	e.HTML = []byte(body)
	if attach != ""{
		_,_ = e.AttachFile(attach)
	}
	hostAddr := fmt.Sprintf("%s:%d", host, port)
	if ssl {
		return e.SendWithTLS(hostAddr, auth,&tls.Config{ServerName: host})
	}
	return e.Send(hostAddr, auth)
}

func SendEmailWithPool(to []string, from, secret, host, subject, body, nickname string, port int) (err error) {
	hostAddr := fmt.Sprintf("%s:%d", host, port)
	auth := smtp.PlainAuth("", from, secret, host)
	if pool == nil {
		pool, err = email.NewPool(hostAddr, maxClient, auth)
		if err != nil {
			log.Fatal(err)
		}
	}
	e := &email.Email{
		From: fmt.Sprintf("%s<%s>", nickname, from),
		To:      to,
		Subject: subject,
		Text:    []byte(body),
	}
	return pool.Send(e, 5 * time.Second)
}

func SendEmailWithPoolAndFile(to []string, from, secret, host, subject, body, nickname string, port int, attach string) (err error) {
	hostAddr := fmt.Sprintf("%s:%d", host, port)
	auth := smtp.PlainAuth("", from, secret, host)
	if pool == nil {
		pool, err = email.NewPool(hostAddr, maxClient, auth)
		if err != nil {
			log.Fatal(err)
		}
	}
	e := &email.Email{
		From: fmt.Sprintf("%s<%s>", nickname, from),
		To:      to,
		Subject: subject,
		Text:    []byte(body),
	}
	if attach != "" {
		_, _ = e.AttachFile(attach)
	}
	return pool.Send(e, 5 * time.Second)
}

package main

import (
	"fmt"
	go_email "go_dev/go_email/email"
)

func main() {
	//send_email_test1()
	//send_email_test2()
	//send_email_test3()
	send_email_test4()
}

func send_email_test4()  {
	var to  = []string{"[email protected]", "[email protected]"}
	from := "[email protected]"
	nickname := "张亚飞"
	secret := "xxxxxxxx"
	host := "smtp.exmail.qq.com"
	port := 25
	subject := "Perfect Vue Admin 发送邮件测试"
	body := "测试内容"
	if err := go_email.SendEmailWithPoolAndFile(to, from, secret, host, subject, body, nickname, port, "简称.txt"); err != nil{
		fmt.Println("发送失败: ", err)
	}else {
		fmt.Println("发送成功")
	}
}

func send_email_test3()  {
	var to  = []string{"[email protected]", "[email protected]"}
	from := "[email protected]"
	nickname := "张亚飞"
	secret := "vsloiltxbxyzgeii"
	host := "smtp.qq.com"
	port := 25
	subject := "Perfect Vue Admin 发送邮件测试"
	body := "测试内容"
	if err := go_email.SendEmailWithPoolAndFile(to, from, secret, host, subject, body, nickname, port, "简称.txt"); err != nil{
		fmt.Println("发送失败: ", err)
	}else {
		fmt.Println("发送成功")
	}
}

func send_email_test2()  {
	to  := "[email protected];[email protected]"
	user := "[email protected]"
	password := "xxxxxx3"
	host := "smtp.exmail.qq.com:25"
	//host := "smtp.exmail.qq.com"
	subject := "Perfect Vue Admin 发送邮件测试"
	body := "测试内容"
	if err := go_email.SendEduEmail(user, password, host, to, subject, body, "html"); err != nil{
		fmt.Println("发送失败: ", err)
	}else {
		fmt.Println("发送成功")
	}
}

func send_email_test1()  {
	var to  = []string{"[email protected]", "[email protected]"}
	from := "[email protected]"
	nickname := "张亚飞"
	secret := "xxxxxx"
	host := "smtp.qq.com"
	port := 25
	subject := "Perfect Vue Admin 发送邮件测试"
	body := "测试内容"
	if err := go_email.SendEmail(from, to, secret, host, nickname, subject, body, port,  true); err != nil{
		fmt.Println("发送失败: ", err)
	}else {
		fmt.Println("发送成功")
	}