[email protected] with the name Notify Me. Add a custom domain in Settings to send from your brand.

1
Add a custom domain
Go to Settings, choose Add a custom domain, enter the domain only (for example
yourstore.com), then Register domain. Do not enter an email address, URL, or www.2
Add DNS records
Open View DNS records. Add the DKIM TXT record and the bounce CNAME at your domain provider. Use the Host field exactly as shown. Do not append your domain again if your provider adds it automatically.Pick your provider and follow the steps: Cloudflare, GoDaddy, Shopify, and more.
3
Check verification
Propagation can take up to 48 hours. Choose Check verification until the domain shows as verified.
4
Set the sender name
After the domain is verified, edit Sent from Name and the local part of the sender email, then save.

Shopify development stores cannot register a custom domain or send alert emails.