If you would like to use an external SMTP Server for sending email, enter the hostname or IP address here.<br><br><strong>NOTE:</strong> if you are setting up Gmail as your SMTP server, make sure you have allowed 3rd party applications to send by visiting the following URL:<br><br><a href="https://accounts.google.com/UnlockCaptcha" target="_blank">https://accounts.google.com/UnlockCaptcha</a>