Using Comcast for Email Sending

Per Comcast's knowledgebase at  the settings in CDE's program to send email is:
SMTP Server:
Username:   <Comcast user name>
Password:  <Comcast user password>
Use Advanced Settings to set SMTP Server Port:  Yes
SMTP Server Port: 587
Email Server requires SSL and/or TLS Mode: Yes
SSL/TLS Start Mode: Automatic