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How do I set up a Custom Tracking Subdomain?

Replace "mlbtlr.com" used for Email Tracking and Link Tracking with your own tracking subdomain to increase the trustworthiness of your emails.

Written by Julia

ℹ️ Before you start: Custom Tracking Subdomains require your domain to allow Amazon domains to issue SSL certificates. This can be done by updating the CAA records in your DNS settings. Learn more.


Step 1: Open Mailbutler

Open the Mailbutler Sidebar:

👉 Gmail

👉 Outlook


Step 2: Open settings

Go to Account & PreferencesGeneral Tracking.


Step 3: Enter your Custom Tracking Subdomain

Enter the subdomain you'd like to use and press Enter.

For example:

t.company.com

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Step 4: Complete the setup

Follow the on-screen instructions to complete the setup and verify your custom tracking subdomain.

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