package tools import ( "encoding/base64" "github.com/emersion/go-sasl" "github.com/emersion/go-smtp" "strings" ) func SendSmtp(server string, from string, password string, to []string, subject string, body string) error { auth := sasl.NewPlainClient("", from, password) subjectBase := base64.StdEncoding.EncodeToString([]byte(subject)) msg := strings.NewReader( "From: " + from + "\r\n" + "To: " + strings.Join(to, ",") + "\r\n" + "Subject: =?UTF-8?B?" + subjectBase + "?=\r\n" + "\r\n" + body + "\r\n") err := smtp.SendMail(server, auth, from, to, msg) if err != nil { return err } return nil }