Posffix

perl add_mailbox.pl 54.215.64.204  stunningvisit.com
Mailbox Location: /var/mail
vi /etc/mail/virtusertable
Script Location:
cd /var/www/Maildynamix/cron
sendmail
vi /etc/mail/local-host-names
perl add_mailbox.pl driverbuffet.com:54.215.64.204
To check domain config
sendmail -bv postmaster@dependencehemisphere.com
sendmail -bv smtp.dependencehemisphere.com
ip-172-31-5-154.us-west-1.compute.internal