On 12/6/2012 6:23 PM, Titanus Eramius wrote: > My highest concern is to setup an open relay by accident, so in the
... > A telnet session goes like this, on either the server containing > my_address or the backup MX: > > $ telnet X.X.X.X 25 ... > $ MAIL FROM:s...@dont-exists.tld > 250 2.1.0 Ok > $ RCPT TO:my_address@my_domain.tld *** Sending TO YOUR OWN DOMAIN is NOT relaying *** This is /exactly/ the same process any MTA, or mail client, or spam bot will use to send mail to you. Nothing special about telnet; you could have used a command-line SMTP such as mini_sendmail, or spent a few minutes setting up Thunderbird for testing. Nothing of interest here. -- Noel Jones
