When using Makeitcomplete.com email the following settings should be used.
host name: mail.makeitcomplete.com or mail.[yourdomainname].[tld]
SSL can be enabled but you must accept the self signed certificate.
User Name: your complete email address
Password: you assigned password
host name: mail.makeitcomplete.com
encryption: SSL or Start TLS
user name: your complete email address
password: your assigned password