Setting up Two-Factor Authentication on Zimbra

2 Factor Authentication is a security measure which requires the user to provide two types of identification (password + timed authentication code) in order to access potentially sensitive data.

Note: If you have an Apple computer, mobile device, or Legacy client, choose Instructions for Legacy clients & Mobile Devices.

Otherwise, continue with Instructions for Desktop/Laptop Devices.

Instructions for Desktop/Laptop Devices

 

Step 1

Navigate to https://zcs.omninet.co.nz and login with your email credentials. Click "Preferences" in the top menu, then select “Accounts” on the left sidebar and scroll down to “Primary Account Settings”.

Here you will see “Setup two-step authentication”.

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Step 2

Click the link to begin the configuration process, a text box will appear, click “Begin setup”

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Step 3

You will be asked to enter your email account password, enter and click “Next”

 

 

Step 4

You will be prompted to install an authentication app on your smartphone, there are several supported apps but for this document, Microsoft authenticator will be used. Step 6 will show you how to set up the authenticator app.

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Step 5

The web client will present a pin code to be entered into the smartphone app. Keep this window open while you install the app.

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Step 6

Install a compatible authenticator app from the app store (iOS or Android) and configure. Microsoft authenticator is being used for this example.

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Create a new account by clicking the three dots in the top right corner (if you have previously used the Microsoft authenticator app, click the plus icon instead).

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Choose "Other account".

 

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A QR scanner will appear. At the bottom select “enter code manually”. Enter the name you wish to use for the account (e.g. Zimbra) and enter the key provided by Zimbra in Step 5

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Your app will now display an account with a self refreshing 6-digit pin, this pin will be to access your email applications

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Step 7

Return to your computer and enter the 6-digit code provided by the authentication app, the Zimbra web client will confirm successful configuration.

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Step 8

When starting outlook (or other email client), it will ask for a verification code, this will be a 6-digit number on the authentication app.

Access the 6-digit number by opening the Microsoft authenticator app on your smartphone and clicking on the account name you specified in Step 6 (e.g. Zimbra).

**Note this number self refreshes on the app every 30 seconds

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You have now successfully completed setting up two-factor authentication for your email accounts.