gd_crontab/impl/warning/mail.go

package warning

import (
	"strconv"
	"strings"

	"gopkg.in/gomail.v2"
)

// SendToMail send mails to reciever
// user is sender's mail address
// password is sender's mail password
// host is sender's mail servier address
// to is reciver's  mail address
// subject mail title
// body is mail content
// mailtype is mail type
func SendToMail(user, password, host, to, subject, body, mailtype string) error {
	hostIp := ""
	hostPort := ""
	array := strings.Split(host, ":")
	if len(array) > 1 {
		hostIp = array[0]
		hostPort = array[1]
	} else {
		hostIp = host
		hostPort = "465"
	}

	mailConn := map[string]string{
		"user": user,
		"pass": password,
		"host": hostIp,
		"port": hostPort,
	}

	port, _ := strconv.Atoi(mailConn["port"])
	mailTo := strings.Split(to, ";")
	m := gomail.NewMessage()
	m.SetHeader("From", "sy"+"<"+mailConn["user"]+">")
	m.SetHeader("To", mailTo...)
	m.SetHeader("Subject", subject)
	m.SetBody("text/html", body)

	d := gomail.NewDialer(mailConn["host"], port, mailConn["user"], mailConn["pass"])

	err := d.DialAndSend(m)
	return err

}