How to Perform Email Account Setup in Microsoft Outlook 2013 (Non-SSL Settings)
Before starting :
1. Make sure your domain name loads. If it doesn't load your email account won't work.
2. Make sure you have setup your email accounts at your control panel (cPanel / DirectAdmin).
You are now ready to begin setting up your email accounts.
Open Outlook 2013
Select File > Add Account

You will see a box as shown below. And you may proceed to fill in your name, email address and password. Click Next.

After some time , your email will be configured. If not and a box appears like below:
Just click Next to set up unencrypted connection.

Click Finish and you have successfully configured your email account .
Note that you are using IMAP.

However, if even unencrypted email fails, you can try to manually configure your email settings.
Click on Manual set up or additional server types and click Next.

Click on POP or IMAP and click Next.

Fill in all the spaces below . Next, click on More Settings.

Go to Outgoing Server and tick “My outgoing server SMTP requires authentication" then click the radio button next to Use same settings as my incoming mail server.

Go to Advanced and change the Incoming Server Port (IMAP) to 143. If you're using POP3 settings, set the Incoming Server Port (POP3) to 110 as seen below.

Outgoing server (SMTP): Change the default port (25) to 26 for POP3 or IMAP accounts.
Click Next, then press the Finish button.

1. Make sure your domain name loads. If it doesn't load your email account won't work.
2. Make sure you have setup your email accounts at your control panel (cPanel / DirectAdmin).
You are now ready to begin setting up your email accounts.
Open Outlook 2013
Select File > Add Account

You will see a box as shown below. And you may proceed to fill in your name, email address and password. Click Next.

After some time , your email will be configured. If not and a box appears like below:
Just click Next to set up unencrypted connection.

Click Finish and you have successfully configured your email account .
Note that you are using IMAP.

However, if even unencrypted email fails, you can try to manually configure your email settings.
Manually Configuring Email Settings
Click on Manual set up or additional server types and click Next.

Click on POP or IMAP and click Next.

Fill in all the spaces below . Next, click on More Settings.

Go to Outgoing Server and tick “My outgoing server SMTP requires authentication" then click the radio button next to Use same settings as my incoming mail server.

Go to Advanced and change the Incoming Server Port (IMAP) to 143. If you're using POP3 settings, set the Incoming Server Port (POP3) to 110 as seen below.

Outgoing server (SMTP): Change the default port (25) to 26 for POP3 or IMAP accounts.
Click Next, then press the Finish button.

Updated on: 05/12/2018
Thank you!