The Communication Service can integrate into Google's Gmail system for email.
Use the following settings in the Email & SMTP section replacing any place holders with the user specific information:
Gmail now requires that a 'less secure' option be enabled for allowing access using SMTP authentication over SSL. You will need to browse to the following URL and 'Turn On' access:
https://www.google.com/settings/security/lesssecureapps
Example Image: