Yeah I figured that out already. Thanks for your help.
Originally Posted by phoenix
I had the local IP as the DNS server, changed it to my local DNS server and I can send internally and externally, so once I changed that everything appears to be working now.
root@mailone:/home/admin# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost mailone.xxxxx.local
xx.xx.xx.xx MAILONE.xxxxx.local MAILONE
Thanks to both of you.
root@mailone:/home/admin# cat /etc/resolv.conf
nameserver xx.xx.xx.xx (local DNS server IP)