1. Open Outlook and click on Tools and then E-mail Accounts.
2. If you are asked, select View or change existing e-mail accounts.
3. Select your Tranquility account and then click Change.
4. Set your Incoming mail server (POP3) to pop.gmail.com and your Outgoing mail server (SMTP) to smtp.tranquility.net. Change your User Name to your_username@tnetmail.net, check Remember Password and click More Settings.
5. Click the Outgoing Server tab. Then check My outgoing server (SMTP) requires authentication.
6. Click the Advanced tab, and check the following SSL options as shown below, verify that you are using the right ports and click OK.
7. Finally click Next, and Finish.