package main import ( "log" "net/smtp" ) func main() { err := smtp.SendMail( "127.0.0.1:10025", nil, "sender@example.org", []string{"incoming+1@code.sai-erp.net"}, []byte("To: recipient@example.net\r\n"+ "Subject: discount Gophers!\r\n"+ "\r\n"+ "This is the email body.\r\n"), ) if err != nil { log.Fatal(err) } }