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Apple Mail (via IMAP)

These pages cover configuring Apple Mail to connect to Nexus via the IMAP protocol. Users of Mac OS 10.5 and below should use IMAP to connect to their Nexus email and should follow the instructions below. Mac OS 10.6 (Snow Leopard) users are able to use the Exchange Web Services protocol to access their Nexus email and should therefore follow the instructions for using Nexus with Apple Mail on Snow Leopard. Although configuration details are identical there are small differences between the screens that you will see on Mac OS 10.5 versus Mac OS 10.4 so we have also provided specific instructions for Mac OS 10.4 users.

Mail is the email client preinstalled on every Mac computer as part of Mac OS X. To configure Mail, open the programme, either from the dock or by finding it in the Applications folder. If this is the first time you have opened mail, the Setup Assistant will start automatically.

Otherwise, you can access Accounts setup by clicking on the Mail menu, then Preferences. Near the top, select the Accounts button.


The Accounts window allows you to add an Email account to any you may have already set up by clicking on the little plus symbol near the bottom left of the screen.


You will then be taken to a screen that is identical to the initial setup assistant, though one is headed Welcome to Mail and the other Add Account. The screen prompts you for your Full Name, Email Address and Password. Do not however, tick the Automatically set up account option if it appears, as it will not work with Nexus. The Password you need to enter here is your Single Sign-On password.


Once you have entered your details, click Continue.

The next screen will require you to enter technical details.


On the Account Type drop-down menu, select IMAP. Description is for your own use only, so select something which makes sense to you; in the example above, OUCS Nexus has been used.

In the box next to Incoming Mail Server, type

Next to User Name, you need to enter your Single Sign-On (SSO) username, eg abcd1234. Next to Password, enter your Single Sign-On (SSO) password.

Click Continue.


The next screen requires you to enter the details for your Outgoing Mail Server. The Description, once again, is for your own use only. In the instance above, OUCS Nexus Outgoing has been used. Next to Outgoing Mail Server, enter

Whether Use only this server needs to be ticked or not will depend on your use of mail; if you only use mail to access your Nexus account, you can safely tick this option.

In any case, the option Use Authentication needs to be ticked, and the same Single Sign-On User Name and Password that you entered previously for incoming mail need to be entered in the respective fields.

When you click Continue, a final Window will summarise the details you have entered. Click OK.

To ensure that you are able to use your Mail client to send outgoing messages on any network, whether you are in Oxford or on another network, e.g. at home, you will need to do a final piece of configuration. To get to Mail's configuration screen click on [File/Preferences...] from the [ Mail] menu.


This will bring up the 'Accounts' window. Make sure that the IMAP account that you have just created is selected in the left hand pane and then click the Server Settings... button found towards the bottom of the right hand pane. This will bring up a screen that allows you to specify the outgoing mail server settings. The only thing that needs to be changed in this screen is the value for Server port, this must be set to 587. No other settings should need to be changed.


Click OK to save these settings and return to the main Accounts window.

Next click on the Advanced button to open that screen. Make sure that the Authentication option is set to Password.

Close the dialog box. If prompted to save, click Save.

Your Mail account is now ready to use.


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Written by IT Services. Latest revision 7 December 2017