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ES Mail: How to configure Apple Mail (for Webmail/ES Mail users) & Troubleshoot Email Sending Issues

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5.0 - Updated on 07-15-2022 by Sylvia Bass

4.0 - Updated on 03-10-2021 by Mike Caban

3.0 - Updated on 03-10-2021 by Mike Caban

2.0 - Updated on 03-10-2021 by Mike Caban

1.0 - Authored on 05-06-2015 by Mike Caban

Use the directions below to set up your software to check UCI’s OIT MailBox Services email (aka Webmail). If you are using UCI Gmail, please stop and consult these instructions instead.

Apple has streamlined the process so you no longer need to specify port numbers and protocols (e.g. 993, SSL)

  1. Select the Apple icon in the upper-left of your screen and select System Preferences.
  2. Select Internet Accounts.
  3. Select Add Other Account.
  4. Select Mail account.
  5. In the window that appears, enter your Name, email address (UCInetID@uci.edu) and then enter your password. Then, select Sign In.
  6. On the next page, re-enter your UCInetID for the username (the field will show your UCInetID@uci.edu email address as the username, so just delete it out and replace it with just your UCInetID). Make sure IMAP is selected for Account Type.
  7. Incoming Mail Server should read imap.uci.edu and Outgoing Mail Server should read smtp.uci.edu. Select Sign In to complete the setup.
  8. Select Done and then close System Preferences.
  9. Open Apple Mail and after a moment, your email should appear.

Instructions for setting up Mail on macOS.

Earlier versions should still work but the directions may differ slightly.

  1. Launch Mail by clicking the Mail icon in your Dock or double-clicking the Mail icon in your Applications folder. (See Figure 1)
    Apple Mail Icon
  2. If this is the first time you have used Mail, you will see the New Account Wizard. Start with Step 6 below. If you have used Mail before and want to add an account, continue to Step 3.
  3. From the Mail menu, choose Preferences.
    Apple Mail Preferences Menu
  4. Click the Accounts icon
    Apple Mail Accounts
  5. Click the Plus button to add a new account.
  6. Select “Add Other Mail Account” and click Continue
    Add other account
  7. In the Account Information window, fill in the following fields (See Figure 5):
    1. Full Name: Your full name as you want it to appear in your email messages.
    2. Email Address: Your UCI email address. For example, someone@uci.edu
    3. Password: Your UCInetID password
    4. Click the Create button. You may see a message that the “Account must be manually configured”. If so click Next.
      Add Account
  8. In the Incoming Mail Server window, fill in the following information.
    1. Account Type: IMAP
    2. Description: UCI Email or something to describe the account
    3. Incoming Mail Server: imap.uci.edu
    4. User Name: Your UCInetID
    5. Password: Your UCInetID password
    6. Click the Next button to go to the next window.
      Incoming Mail Server
    7. If you see the message “Additional account information required” click the Next button. (NOTE: Steps 8-10 may not come up for you. If so, Skip to step 11).
    8. Change the Port to 993
    9. Check the Use SSL box
    10. Select Password as the Authentication method.
    11. Click Next
      Incoming Server Port
  9. In the Outgoing Mail Security window, fill in the following information:
    Note: If you have another account configured to check mail securely, you may not see this window. Continue to Step 10.



    1. Outgoing Mail Server: smtp.uci.edu
    2. User Name: Your UCInetID
    3. Password: Your UCInetID password
    4. Click the Create button to go to the next window.
  10. Close the Preferences window by clicking on the red close circle in the top left corner of the window.
    Account Summary
  11. Apple Mail has been configured to receive and send email from your OIT MailBox account.


Troubleshooting Issues Sending Email

If you are unable to send email, please confirm your SMTP settings are correct. Bear in mind that if you recently updated your password on activate.uci.edu, you need to go through these steps to enter the new password.

Go to Preferences-->Accounts. Make sure you select the UCI account on the left and then click the Outgoing Mail Server (SMTP) pulldown menu. Then, select Edit SMTP Server List.
In the window that appears, make sure you select the UCI account up above and then down below, verify that Server Name reads smtp.uci.edu and TLS Certificate says None.

Then click on the Advanced tab.

Click OK to close the window and then close the Account Settings window.