The Sigstr Custom Domain solution is a deliverability feature that allows customers to rebrand Sigstr campaign URLs. Take a proactive approach against filtering and maintain domain consistency when leveraging Sigstr in your organization.

How it Works

The Sigstr Custom Domain solution provides an opportunity for your organization to create a subdomain ( and delegate that subdomain to your Sigstr account. When this occurs, your company branded subdomain effectively replaces the Sigstr domain ( that is provided with your account license. This ensures that the domain of the link(s) inside an email signature match the sender’s email domain.


The following must occur to activate a custom domain for your account:

  • Your organization needs to create a subdomain. We recommend

  • The subdomain CNAME DNS rule then needs to be directed to your Sigstr account subdomain (all accounts are put on a subdomain: If you need assistance confirming your Sigstr subdomain, please contact your Success Manager.

  • Once delegated, send your newly created subdomain to your Success Manager. He/She will enable it within the application.


Once enabled, the subdomain will be listed in the Custom Domain section of the Integrations Tab.

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