How to Exchange online smtp relay

Explore how exchange online smtp relay can improve your email deliverability and marketing efficiency.

Successfully exchanging emails is crucial for businesses; and the use of SMTP relay will improve your delivery system for emails, mainly if you are using the services of Microsoft Exchange Online. This guide will explain step by step how you can set up and then use an SMTP relay together with Exchange Online.

SMTP relay will enable you to send emails out of a domain using an external server. This would enhance deliverability, reduce the likelihood of being marked as spam, and allow better tracking of outgoing emails.

Before you start setting it up, you should have the following:

You need to have an active Microsoft 365 (formerly Office 365) account with Exchange Online.

You should verify your domain in your Microsoft 365 account.

You would require the SMTP server settings from Microsoft.

How to Configure SMTP Relay in Exchange Online Step by Step

Step 1: Configure Your Domain in Microsoft 365

Open admin.microsoft.com and sign in with your admin account.

Follow the prompts to add and verify your domain, if you haven’t already.

From Your organization’s email server and To: Office 365.

Name of connector, for instance, SMTP Relay Connector.

Set the connector to only accept emails coming from your IP addresses. In this way, only those sources that you authorized can send emails using this connector. You could even assign the public IP address of the mail server or the application that would utilize the relay.

In the set-up for the connector, go to the authentication configuration. You may either