Setting up macOS Mail - Sierra

Step 1 - Click Mail > Add Account

Step 2 - Select an account type

Step 3 - Enter your account details

Step 4 - Enter mail server settings

Step 5 - Select only Mail app

Step 6 - Go to Mail > Preferences

Step 7 - Change incoming server port

Step 8 - Set correct sent and trash folders

Step 9 - Check Mailbox Behaviors

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Step 1 - Click Mail > Add Account

1. Open the Mail application on your Mac.
2. Click Mail in the top left corner and select Add Account....

Step 2 - Select an account type

Select Other Mail Account... and click Continue.

Step 3 - Enter your account details

1. Type in your name, it will be visible as the sender.
2. Enter the email address you want to set up.
3. Enter the password, you also use it for Webmail.
4. Click Sign in.

Step 4 - Enter mail server settings

You will now see a red error message, just ignore this.

Enter the following server settings:

• Account type: IMAP
• Incoming Mail Server: imap.one.com
• Outgoing Mail Server: send.one.com

Click Sign in.

Step 5 - Select only Mail app

Uncheck the box for Notes, so only the Mail app is selected, and click Done.

Step 6 - Go to Mail > Preferences

Click Mail in the top left corner and select Preferences....

Step 7 - Change incoming server port

1. Click Accounts in the top menu.
2. Go the the tab Server Settings.
3. Under Incoming Mail server, uncheck the box for Automatically manage connection settings.
4. Change the portnumber to 993.
5. Click Save.

Step 8 - Set correct sent and trash folders

By default, Mail selects the wrong folder to save your sent and deleted emails, so you need to manually change it to the correct folders.

1. Go to the tab Mailbox Behaviors.
2. Click the Sent mailbox and change the folder to Sent, @ your email account.
3. Click the Trash mailbox and change this folder to Trash, @ your email account.

Note: Mail OS X may not be able to detect IMAP folders that are empty. If the correct folder is not available, log in to Webmail and place an email in the folder. Then try again.

Step 9 - Check Mailbox Behaviors

In the end your settings in the Mailbox Behaviors tab should look like in the screenshot below.
The INBOX prefixes will be added automatically.

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