package lib import ( "strconv" "testing" "gopkg.in/gomail.v2" ) func SendMail(mailTo []string, subject string, body string) error { //定义邮箱服务器连接信息,如果是阿里邮箱 pass填密码,qq邮箱填授权码 mailConn := map[string]string{ "alias": "postmaster", "user": "postmaster@ipeace.org.cn", "pass": "Email@henry!", "host": "smtp.qiye.aliyun.com", "port": "465", } port, _ := strconv.Atoi(mailConn["port"]) //转换端口类型为int m := gomail.NewMessage() m.SetHeader("From", m.FormatAddress(mailConn["user"], mailConn["alias"])) m.SetHeader("To", mailTo...) m.SetHeader("Subject", subject) m.SetBody("text/html", body) return gomail.NewDialer(mailConn["host"], port, mailConn["user"], mailConn["pass"]).DialAndSend(m) } func TestNewEmail(t *testing.T) { //定义收件人 mailTo := []string{ "592856124@qq.com", } //邮件主题为"Hello" subject := "Hello" // 邮件正文 body := "Good" err := SendMail(mailTo, subject, body) t.Log(err) }