Open up Mac OS X Mail and select Mail from the top menu bar
and click on Preferences.

Click on Accounts on the top of the window. Then click on
the plus sign
, located at the
bottom-left of the window, to create a new account.
Select IMAP or POP from the Account
Type: pop-up menu (IMAP is recommended).
Description is just a name that you use to identify the
account. This can be helpful if you have several accounts in OS X Mail and need
to differentiate between them. A name like WAM will, for
example, be sufficient.
Enter your e-mail address in the Email Address field.
For Full Name, enter your name, as you would like people to
see it when they receive mail from you.
For Incoming Mail Server, enter the appropriate IMAP or POP
incoming mail server for your email account.
IMAP
If your e-mail account is a:
- Glue account, use: imap.glue.umd.edu
POP
If your e-mail account is a:
- Glue account, use: pop.glue.umd.edu
Your User Name is what precedes the @ sign in your e-mail
address. For example, if your e-mail address was jdoe@wam.umd.edu, your user
name would simply be jdoe.
Enter your password in the Password field if you would like
OS X Mail to remember it each time you check your mail.

Click on the Sever Settings... button at the bottom of the
window.
In the SMTP Server Options window, type the outgoing mail server
for your email account.
If your e-mail account is a:
If you use mail.umd.edu for your outgoing mail server, place a
check next to Use Secure Sockets Layer (SSL), set
Authentication to Password, and type your account
information into the User Name: and Password
fields.
Click OK to continue.

Click on the Advanced tab, place a check next to Use
SSL.

Close the window and you will be asked to save the changes. Click on
Save.
Setup is now complete. Your mail folders should appear to the side of the
window, and you should be able to read and send messages at this time.
Note: If you are not seeing any mail, you might have to click
on the Mailbox menu and select Go Online.