Go to Admin > Settings (click show all settings first) > Domains.

Get your external IP Address, for example, add.

Settings this up is a bit more complicated, but once you made changes in Office 365, you can use this for every device or application in your organization. And to be exact, to people who don’t have an Office 365 mailbox (for example Gmail accounts). This is also a limitation of this method, Direct Send, you can’t use this to send emails to external recipients. Another scenario could be that you don’t need to send the scans outside your organization. Not all scanners support SMTP with authentication and personally I don’t find it really convenient either. To send an email from your scanner or application you can’t always use the first method.

Office 365 SMTP Settings for Scanner or Application If you get an error Connection timed out, then most of the time the port is blocked in the firewall. Again, if you are using MFA you will need to use an app password to set up the account. To receive emails from Office 365 you may need to use IMAP. You will need to create an App Password for this.Īnother option is to use the Direct Send option that I will describe later on. If you have MFA enabled for your account, then you can’t use your normal password to authenticate the Office 365 SMTP settings. If you need more you will need to use the SMTP Relay.

Which should be more than efficient for most use cases. With the settings above you will have a sending limit of 10,000 emails per day and 30 messages per minute. Let’s first start with the most asked and simple to answer the question, what are the Office 365 Exchange Server settings? The settings below work for everyone with an Office 365 or Microsoft 365 plan that has Exchange Online. But what are the correct Office 365 SMTP settings for your scanner or web application for example?Īnd what if you can’t use, because you can’t use SMTP Client submission? In this article, I will explain how you can use the SMTP server from Office 365 for your application or device. As long as you are using Outlook (or the Outlook app), setting up your mail is pretty simple. With the most Office 365 and Microsoft 365 plans comes the Exchange Online mail server.

O365 smtp setting