> ## Documentation Index > Fetch the complete documentation index at: https://help.revenuehero.io/llms.txt > Use this file to discover all available pages before exploring further. # How to customize email domain? > Give your reminder emails your brand's touch by adding a custom domain. The email domain from which reminder emails are sent to your prospects can be customized by following these steps. 1. To update your email domain, head to "**Settings**" from the left navigation menu and click on "**Email Configuration**" under "Organization Settings".

2. Click on "**Get Started**"

3. Enter the name of your domain and click on "**Setup Now**".

4. Add the three CNAME records in your DNS settings and click verify once done.

5. Once verified, you would be able to customize the phrase/string before the @

6. You're all set!
In case your domain is down/inaccessable, the fallback domain will be used.