In the dialog that shows up, create a new mail account by selecting Add > Mail, as is shown below.
In the dialog that pops up, enter your full name as shown below:
Once you have entered your name, click on Next > and the enter your email address in the form firstname.lastname@example.org in the dialog, as is shown below:
Click Next > to accept your entry. On the next page, you will need to enter the following information:
Click Next > to confirm your entry. On the next page, enter the following information:
Click Next > to accept your entries. On the final page, click on Finish to finish creating your account.
You are now almost done. First, though, click on your account in the All tab and click on Properties. In the screen that comes up, select the Advanced tab. In this tab, enter the following information:
You are now done. Click on OK to confirm your changes, and then click on Close to close the Accounts window. You ePOST account should now show up in your accounts list.