To enable Autoconfig and Autodiscover, perform the following steps:
- Navigate to the Domains section of WHM’s Tweak Settings interface (WHM >> Home >> Server Configuration >> Tweak Settings).
- Locate the Service subdomains setting and select On.
- Locate the Thunderbird and Outlook Autodiscover and autoconfigure support (enables service subdomain and SRV record creation) setting and select On.
- Click Save.