Originally Posted by deezone
Jan 19 08:38:19 ubuntu postfix/smtp: 0539713F5D:
to=<email@example.com>, orig_to=<firstname.lastname@example.org>, relay=none, delay=0, status=bounced (Host or domain name not found. Name service error for name=ubuntu.webdeezsign.co.nz type=A: Host not found)
You must create an A record in DNS for ubuntu.webdeezsign.co.nz that points to your public IP address.
Have a look at section 2.2.9 here: http://www.ispconfig.org/downloads/m..._src.htm#4_2_2