zulip/help/restrict-direct-messages.md

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# Restrict direct messages
{!admin-only.md!}
Organization administrators can configure two types of permissions for [direct
messages](/help/direct-messages):
- Who can **authorize** a direct message conversation. To send a DM, the recipients
must include at least one user who can authorize the conversation (the sender
or someone else).
- Who can **start** a direct message conversation.
These settings are designed so that users can always respond to a direct message
they've received (unless organization permissions change). They also provide a
lot of flexibility for managing DMs in your organization. For example, you can:
- Prevent 1:1 DMs between [guest users](/help/guest-users).
- Allow members to respond to DMs from an admin or moderator, but not to start
DM conversations.
- Disable direct messages altogether.
Regardless of how these settings are configured, users can always send direct messages
to bots and to themselves.
!!! tip ""
When restricting direct messages, consider also [restricting who can create
private channels](/help/configure-who-can-create-channels).
## Configure who can authorize a direct message conversation
{start_tabs}
{settings_tab|organization-permissions}
1. Under **Direct message permissions**, configure **Who can authorize a direct
message conversation**.
{!save-changes.md!}
{end_tabs}
## Configure who can start a direct message conversation
{start_tabs}
{settings_tab|organization-permissions}
1. Under **Direct message permissions**, configure **Who can start a direct
message conversation**.
{!save-changes.md!}
{end_tabs}
## Disable direct messages
{start_tabs}
{settings_tab|organization-permissions}
1. Under **Direct message permissions**, set **Who can authorize a direct
message conversation** to **Direct messages disabled**.
{!save-changes.md!}
{end_tabs}
## Related articles
* [Direct messages](/help/direct-messages)
* [Restrict channel creation](/help/configure-who-can-create-channels)