If you'd like to send emails through an e-mail address with your very own domain name, make sure that the company will provide you with usage of their SMTP server. The aforementioned is the software which enables emails to be transmitted. SMTP is an acronym for Simple Mail Transfer Protocol and it deals with all outbound email messages from apps, webmail and contact forms. Every time a message is sent, the SMTP server confirms with the DNS servers throughout the world where the e-mails for the receiving domain are taken care of and once it gets this data, it will connect into the remote POP/IMAP server to see if the recipient mail box is out there. When it does, the SMTP server sends the email body and then the receiving server sends it to the mailbox in which the recipient can open it up and see it. With no SMTP server on your server, you will not be able to mail out e-mails in any way.