How to Use a Custom Tracking Domain In Email

In order for ESP like BigMailer to track clicks on links in the emails the links have to go through another domain that redirects the user to the final destination. By default, the click-tracking and unsubscribe page URLs are set by BigMailer. They are not explicitly referencing brand or identifying BigMailer as your email marketing service provider, e.g. we currently use for all accounts on the free plan.

custom tracking URL

  Examples of custom tracking sub-domains

BigMailer customers can set up custom tracking domains to anything they would like. Ideally, the custom tracking domain would match the sender domain, which may make the email appear more authentic to mailbox providers and can improve your deliverability and inbox placement. Your tracking domain can use any new sub-domain for this, for example or

How to Setup Custom Tracking URL

To get started, click on Account link in the top right of the BigMailer app, while logged in. Select SES in the dropdown menu.

Account > SES

Then select the sender domain identity you want to add a custom tracking URL to. On the next page, find the link for Tracking Domain.

Tracking Domain for Identity

Follow instructions on the next page.

To enable custom tracking for a subdomain, you would need to update DNS records for your domain, specifically add a new CNAME record pointing your new subdomain to BigMailer. The tracking domain must be a subdomain (like and can’t be a root domain (like