---
title: "Enable SNI mail services for domain"
method: GET
path: "/SSL/enable_mail_sni"
tags: ["SSL", "SNI Email Settings"]
---

# Enable SNI mail services for domain

`GET /SSL/enable_mail_sni`

This function enables SNI mail services on the specified domains.

**Warning:**

Mail SNI is **always** enabled.
* Mail SNI is **not** compatible with Webmail and will **not** 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.

**Important:**

  When you disable the *Calendars and Contacts*, *Mail Receive*, *Web Disk*, *Webmail*, **and** *Web Server* [roles](https://go.cpanel.net/howtouseserverprofiles#roles), the system **disables** this function.

## Query parameters

- `domains` string, required

## Response `200`

HTTP Request was successful.

- object
  - `apiversion` integer — The version of the API.
  - `func` string — The name of the method called.
  - `module` string — The name of the module called.
  - `result` object
    - `data` object
      - `failed_domains` object — An object that contains the domains that did not enable mail SNI.
      - `updated_domains` object — An object that contains the domains with disabled mail SNI.
    - `errors` string[], nullable — List of errors if the API failed.
    - `messages` string[], nullable — List of messages generated by the API.
    - `metadata` object
    - `status` 0 | 1 — * `1` - Success * `0` - Failed: Check the errors field for more details.
    - `warnings` string[], nullable — List of warnings generated by the API. Warnings describe non-critical failures or other problematic conditions noted while running a API.

---

[API](https://skmtc.net/cpanel/apis/cpanel-uapi.md) · [All operations](https://skmtc.net/cpanel/apis/cpanel-uapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/cpanel/cpanel-uapi/revisions/632e2f8e6d04/schema)