If you'd like to send out emails using an email address with your personal domain name, make sure that the company will provide you with usage of their SMTP server. The aforementioned is the software system which allows e-mails to be sent out. SMTP is an abbreviation for Simple Mail Transfer Protocol and it handles all outbound e-mails from apps, webmail and contact web forms. Whenever a message is sent, the SMTP server checks with the DNS servers around the world where the e-mails for the receiving domain name are managed and as soon as it acquires this data, it connects into the remote POP/IMAP server to find out if the recipient mail box exists. If it does, the SMTP server transmits the message body and the receiving server delivers it to the mail box in which the recipient can open it and see it. With no SMTP server on your server, you won't be capable to send out e-mails in any way.