# SNI Email Settings

SSL Certificates / SNI Email Settings

## Disable SNI mail services for domain

 - [GET /SSL/disable_mail_sni](https://api.docs.cpanel.net/specifications/cpanel.openapi/sni-email-settings/disable_mail_sni.md): This function disables SNI mail services on the specified domains.



  Mail SNI is  enabled.

  * After you change the SNI status, you  run UAPI's  function.
  * Functions that enable Mail SNI succeed with a warning that Mail SNI is always enabled.
  * Functions that disable Mail SNI fail and make no changes.

## Enable SNI mail services for domain

 - [GET /SSL/enable_mail_sni](https://api.docs.cpanel.net/specifications/cpanel.openapi/sni-email-settings/enable_mail_sni.md): This function enables SNI mail services on the specified domains.



Mail SNI is  enabled.
* Mail SNI is  compatible with Webmail and will  function for any Webmail connection. Webmail connections use the cPanel service SSL certificate.
* Functions that enable Mail SNI succeed with a warning that Mail SNI is always enabled.
* Functions that disable Mail SNI fail and make no changes.



  When you disable the , , , ,   roles, the system  this function.

## Return whether mail SNI is enabled

 - [GET /SSL/is_mail_sni_supported](https://api.docs.cpanel.net/specifications/cpanel.openapi/sni-email-settings/is_mail_sni_supported.md): This function checks whether the sslinstall feature is enabled.



Mail SNI is always enabled.
* Mail SNI is  compatible with Webmail and will  function for any Webmail connection. Webmail connections use the cPanel service SSL certificate.
* Functions that enable Mail SNI succeed with a warning that Mail SNI is always enabled.
* Functions that disable Mail SNI will fail and make no changes.



When you disable the Calendars and Contacts, Receive Mail, Web Disk, Webmail, and Web Server roles, the system  this function.

## Return whether Apache web server supports mail SNI

 - [GET /SSL/is_sni_supported](https://api.docs.cpanel.net/specifications/cpanel.openapi/sni-email-settings/is_sni_supported.md): This function checks whether the Apache web server supports SNI.



When you disable the Calendars and Contacts, Receive Mail, Web Disk, Webmail, and Web Server roles, the system  this function.

## Return status of domain's SNI mail services

 - [GET /SSL/mail_sni_status](https://api.docs.cpanel.net/specifications/cpanel.openapi/sni-email-settings/mail_sni_status.md): This function retrieves the status of the domain's SNI mail services.



Mail SNI is  compatible with Webmail and will not function for any Webmail connection. Webmail connections use the cPanel service SSL certificate.



Mail SNI is always enabled.
* Functions that enable Mail SNI succeed with a warning that Mail SNI is always enabled.
* Functions that disable Mail SNI fail and make no changes.

## Start SNI configuration files rebuild

 - [GET /SSL/rebuild_mail_sni_config](https://api.docs.cpanel.net/specifications/cpanel.openapi/sni-email-settings/rebuild_mail_sni_config.md): This function rebuilds the SNI configuration files.



* You  run this function after you change the SNI status through the UAPI's  or  functions.
* Mail SNI is  enabled.
  * Functions that enable Mail SNI succeed with a warning that Mail SNI is always enabled. Functions that disable Mail SNI fail and make no changes.
  * Functions that disable Mail SNI will fail and make no changes.



 When you disable the _Calendars and Contacts_, _Receive Mail_, _Web Disk_, _Webmail_,   _Web Server_ roles, the system  this function.