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title: Set up email
summary: "Email setup in Business Central: configuring email accounts and connectors (Microsoft 365, Current User, SMTP), email scenarios and sender addresses, SMTP with OAuth 2.0 in multitenant setups, and the Outlook business inbox add-in. It answers configuration, requirement and deployment questions."
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# Set up email

> Email setup in Business Central: configuring email accounts and connectors (Microsoft 365, Current User, SMTP), email scenarios and sender addresses, SMTP with OAuth 2.0 in multitenant setups, and the Outlook business inbox add-in. It answers configuration, requirement and deployment questions.

Path: [Business functionality](../../business-functionality.md) > [Set up Business Central](../set-up-business-central.md) > Set up email · tier official · system none · narrative reviewed (checked by Opus)

## Overview

This section explains how to let Business Central send documents, reports and notifications by email. The main page, "Set up email in Business Central", covers email accounts, the available connectors, requirements, email scenarios, sender addresses and on-premises configuration.

A second page deals with a specific case: sending email through the SMTP connector in a multitenant environment, using OAuth 2.0 client credentials flow with Exchange Online across tenants. It involves an app registration, a client secret, mailbox permissions and a service principal.

The subtopic on the business inbox in Outlook covers the Business Central add-in for Outlook: how to get it, how to optimize Outlook for it, how to use it, and how to work with Business Central email without Outlook. Start with the main setup page, then go to the multitenant SMTP page or the Outlook subtopic as needed.

## Key points

- Three email connectors are covered: Microsoft 365, Current User and SMTP.
- The main setup page covers requirements, email scenarios, sender addresses, view policies, rate limiting and on-premises configuration.
- Multitenant SMTP uses the SMTP connector with OAuth 2.0 client credentials flow against Exchange Online for cross-tenant email.
- The multitenant SMTP setup needs an app registration, a client secret, mailbox permissions and a service principal.
- The multitenant SMTP page is tied to 2025 release wave 2.
- The Outlook subtopic (4 pages) covers getting the add-in, optimizing Outlook, using it, and using Business Central email without Outlook.

## Subtopics

- [Set up your business inbox in Microsoft Outlook](set-up-email/set-up-your-business-inbox-in-microsoft.md) (4 pages)

## More Learn pages

- [Set up email in Business Central](https://learn.microsoft.com/dynamics365/business-central/admin-how-setup-email): Describes how to connect email accounts to Business Central so that you can send outbound messages without having to open another app.
- [Use SMTP for email in a multitenant environment](https://learn.microsoft.com/dynamics365/business-central/admin-multi-tenant-smtp): Learn how to resolve SMTP email challenges in multitenant environments. Follow this guide to configure OAuth 2.0 authentication in Microsoft 365.

## Business Central pages and reports

The pages, reports and queries this hub's Learn pages name (ms.search.form, API reference), joined to the code by exact object id (data/index/docs-objects.json); a page shows the table it runs on.

- [Page 1262 "Certificate List"](../../../../objects/page/1262.md) · captioned "Certificates" · on [Table 1262 "Isolated Certificate"](../../../../objects/table/1262.md)
- [Page 1263 "Certificate"](../../../../objects/page/1263.md) · on [Table 1262 "Isolated Certificate"](../../../../objects/table/1262.md)
- [Page 8893 "Email Scenario Setup"](../../../../objects/page/8893.md) · captioned "Email Scenario Assignment" · on [Table 8907 "Email Account Scenario"](../../../../objects/table/8907.md)
- [Page 8897 "Email Scenario Attach Setup"](../../../../objects/page/8897.md) · captioned "Email Scenario Attachments" · on [Table 8913 "Email Attachments"](../../../../objects/table/8913.md)
- [Page 8898 "Email Rate Limit Wizard"](../../../../objects/page/8898.md) · captioned "Set Email Rate Limit per Minute" · on [Table 8912 "Email Rate Limit"](../../../../objects/table/8912.md)
- [Page 9813 "Devices"](../../../../objects/page/9813.md)
- [Page 9814 "Device Card"](../../../../objects/page/9814.md)
- [Page 1831 "Outlook Centralized Deployment"](../../../../objects/page/1831.md) · captioned "Outlook Add-in Centralized Deployment" · on [Table 1610 "Office Add-in"](../../../../objects/table/1610.md) · via [Set up your business inbox in Microsoft Outlook](set-up-email/set-up-your-business-inbox-in-microsoft.md)
- [Page 1832 "Outlook Individual Deployment"](../../../../objects/page/1832.md) · captioned "Get the Outlook Add-in" · via [Set up your business inbox in Microsoft Outlook](set-up-email/set-up-your-business-inbox-in-microsoft.md)

Learn also names 1 object with no object page: page/1805.

Source: Microsoft Learn (CC BY 4.0). Descriptions are Learn's own.