When using google gmail for sending email, please to login to your gmail account from a browser. Then enter this URL. When the page appears click the Turn On option
https://www.google.com/settings/security/lesssecureapps
This less secure app setting allows ProfitSystem to be used for the sending of email.
Additional gMail email settings can be found at this link:
https://support.google.com/a/answer/176600?hl=en
smtp.gmail.com
port 465
SSL checked
enter your gmail email address and password for your gmail account
Save the settings and then test sending a email to yourself. Check to see if test is received. If not re-check settings and send email to supportbblsystem.com