# gmail_users_settings_sendAs_smimeInfo_delete

Delete an S/MIME config for a send-as alias

Agent View of the PolicyLayer registry record for `gmail_users_settings_sendAs_smimeInfo_delete`. HTML page: https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-sendas-smimeinfo-delete

## Facts

- Tool: `gmail_users_settings_sendAs_smimeInfo_delete`
- Server: Google Workspace Gmail (gws CLI) (`@gws mcp -s gmail`) — https://policylayer.com/tools/google-workspace-gmail.md
- Install: `npx -y @gws mcp -s gmail`
- Homepage: https://www.npmjs.com/package/@gws mcp -s gmail
- Risk category: Destructive (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Hidden

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "gmail_users_settings_sendAs_smimeInfo_delete",
    "arguments": {}
  }
}
```

## Why gmail_users_settings_sendAs_smimeInfo_delete is rated Critical

This tool irreversibly removes S/MIME (Secure/Multipurpose Internet Mail Extensions) configuration, which is a cryptographic security setting tied to email send-as aliases. Deletion of this configuration cannot be easily undone and will break email signing/encryption functionality for that alias.

From the tool's own definition: "Tool name contains 'delete'; description explicitly states 'Delete an S/MIME config'. S/MIME configurations are security credentials used for signing and encrypting emails."

Risk signals: Removes encryption certificate

## Use case

AI agents call gmail_users_settings_sendAs_smimeInfo_delete to permanently remove resources in Google Workspace Gmail (gws CLI), typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

## Recommended policy (PolicyLayer)

Verdict: **Hidden**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Google Workspace Gmail (gws CLI):

```json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "gmail_users_settings_sendAs_smimeInfo_delete"
  ]
}
```

## Other tools on Google Workspace Gmail (gws CLI) (78)

- `gmail_users_drafts_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-drafts-delete.md
- `gmail_users_labels_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-labels-delete.md
- `gmail_users_messages_batchDelete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-messages-batchdelete.md
- `gmail_users_messages_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-messages-delete.md
- `gmail_users_settings_cse_identities_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-cse-identities-delete.md
- `gmail_users_settings_cse_keypairs_obliterate` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-cse-keypairs-obliterate.md
- `gmail_users_settings_delegates_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-delegates-delete.md
- `gmail_users_settings_filters_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-filters-delete.md
- `gmail_users_settings_forwardingAddresses_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-forwardingaddresses-delete.md
- `gmail_users_settings_sendAs_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-sendas-delete.md
- `gmail_users_threads_delete` — Destructive — https://policylayer.com/tools/google-workspace-gmail/gmail-users-threads-delete.md
- `gmail_users_messages_send` — Execute — https://policylayer.com/tools/google-workspace-gmail/gmail-users-messages-send.md
- `gmail_users_drafts_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-drafts-get.md
- `gmail_users_drafts_list` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-drafts-list.md
- `gmail_users_getProfile` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-getprofile.md
- `gmail_users_history_list` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-history-list.md
- `gmail_users_labels_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-labels-get.md
- `gmail_users_labels_list` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-labels-list.md
- `gmail_users_messages_attachments_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-messages-attachments-get.md
- `gmail_users_messages_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-messages-get.md
- `gmail_users_messages_list` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-messages-list.md
- `gmail_users_settings_cse_identities_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-cse-identities-get.md
- `gmail_users_settings_cse_identities_list` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-cse-identities-list.md
- `gmail_users_settings_cse_keypairs_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-cse-keypairs-get.md
- `gmail_users_settings_cse_keypairs_list` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-cse-keypairs-list.md
- `gmail_users_settings_delegates_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-delegates-get.md
- `gmail_users_settings_delegates_list` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-delegates-list.md
- `gmail_users_settings_filters_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-filters-get.md
- `gmail_users_settings_filters_list` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-filters-list.md
- `gmail_users_settings_forwardingAddresses_get` — Read — https://policylayer.com/tools/google-workspace-gmail/gmail-users-settings-forwardingaddresses-get.md
- …and 48 more: https://policylayer.com/tools/google-workspace-gmail.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=google-workspace-gmail · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/google-workspace-gmail