> ## Documentation Index
> Fetch the complete documentation index at: https://desk.quibtech.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Outbound email

> Send notifications, invitations, and password resets from your own address.

> [!NOTE]
>
> **Who:** Admins\
> **Where:** Settings → Notifications → Outbound email

> [tab] SMTP
>
> **1. Turn on Send notification emails**
>
> Set **Send with** to SMTP.
>
> **2. Enter your server details**
>
> Enter **SMTP host**, **Port**, **SMTP username**, and **SMTP password**. Turn on **Use SSL/TLS** for port 465. Leave it off for port 587.
>
> **3. Enter your sender details**
>
> Enter **From name**, **From address**, and **Reply-to address**.
>
> **4. Save, then send a test**
>
> Select **Send test message**.
>
> Microsoft 365 SMTP is not supported. Use the Microsoft 365 tab.

> [tab] Microsoft 365
>
> You need a Microsoft 365 administrator. Shared mailboxes work.
>
> **1. Register an app in Microsoft Entra**
>
> Create a single-tenant app registration. Copy its **Directory (tenant) ID** and **Application (client) ID**.
>
> **2. Create a client secret**
>
> Copy its **Value**, not its **Secret ID**. Note the expiry date.
>
> **3. Allow the app to send from your mailbox**
>
> In Exchange, grant **Application Mail.Send** limited to that mailbox. Don’t add **Mail.Send** under API permissions in Entra. This can take up to two hours to apply.
>
> **4. Enter the details in desk**
>
> Turn on **Send notification emails**, and set **Send with** to Microsoft 365. Enter both IDs, the **Client secret**, and the **From address**.
>
> **5. Save, then send a test**
>
> Select **Send test message**.
>
> > [!WARNING]
> >
> > Email stops sending when the client secret expires. Create a new one and enter it before then.

> [!TIP]
>
> The test message arrives. Check the spam folder if it doesn’t.

Use your inbound address as the **Reply-to address** so replies are added to the ticket.

## Troubleshooting

> [accordion] The test message failed
>
> See [Email troubleshooting](https://desk.quibtech.com/docs/admin/troubleshooting/email.md).

> [accordion] What is the backup sender?
>
> It sends invitations and password resets when your email fails.

## Related

> [card] [Who gets notified](https://desk.quibtech.com/docs/admin/notifications/who-gets-notified.md)
>
> Choose who hears about each event.

> [card] [Email activity](https://desk.quibtech.com/docs/admin/notifications/email-activity.md)
>
> See what was sent and received.


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