>>> [EMAIL PROTECTED] 10.02 10:34 >>> >> tcpserver -H 0 25 echo "451 Go away"
> Be careful, not every mail server accepts such an answer in > the greeting string. You have to provide 5xx answers to > mail from attempts as well. > Again, 451 doesn't solve it, you have to use 550 or so to > make it bounce right now. Right. 4xx DSN is non-fatal, so the other MX tries to resend the mail (normally every 30 minutes, up to 5 days, at least in sendmail) You have to return a 5xx DSN (which is a fatal error) to have the other MX know that the mail won't go through. CU, Martin ---------------------------------------------- [EMAIL PROTECTED] Maillist-Archive: http://www.mail-archive.com/swinog%40swinog.ch/
