Thunderbird, Outlook, etc. are able to automatically discover required connection settings.

Example Projects:

• https://github.com/Incruises/autodiscover.xml?tab=readme-ov-file
• https://github.com/sylvaindumont/autodiscover.xml
• https://hub.docker.com/r/monogramm/autodiscover-email-settings/

Technologies

• Autoconfig for Mozilla Thunderbird
• Autodiscover for Microsoft Outlook / Apple Mail
• Configuration Profiles for iOS / Apple Mail
• Android?
• SRV DNS Records