Outgoing mail server using Postfix on a Gandi AI VPS
Postfix allows you to send mails through your web site (i.e contact forms) using your PHP scripts. That is also required for the other programing languages such as Python and Perl.
domain.tld) in the domain name field, mail sent from your server will be delivered locally. That means that they will be kept in your server and the recipient will not get it.
host <ip.of.your.server>. For example:
host 184.108.40.206 220.127.116.11.in-addr.arpa domain name pointer xvm-30-111.ghst.net.
Then just enter
xvm-30-111.ghst.net in the domain name field.
NOTE: This module, Postfix, cannot be used for incoming mail!