This article will teach you how to update your existing domains MX records to point to Hushmail if you have the domain registered on Wix.com
You will first need to sign into the Wix Domains page. Note: If you have more than one domain in your account, select the relevant domain.
You then want to click the three little dots to the right of the domain and select 'Manage DNS records'.
You will see a list of the different records you can edit, scroll down until your find MX (Mail Exchange).
You are trying to connect an external mailbox so click on the hyperlink for 'here'.
When you are asked to Choose your email provider from the list choose 'Other' from the dropdown.
The MX information you will need to enter is:
Points to: plsmtp1.hushmail.com
and
Points to: plsmtp2.hushmail.com
Once the information is added, click Connect Mailbox to save your records.
Note: If you already have MX records listed in your Wix account, you will need to remove them all and replace them with the Hushmail MX records listed above.
You can check your MX records for your domain to see if they are set by using a third party MX checking tool like MX Toolbox.