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Why do my Microsoft/Office 365 accounts get disconnected and how to fix it (SMTP disabled)
Why do my Microsoft/Office 365 accounts get disconnected and how to fix it (SMTP disabled)

Follow these steps to reconnect your sending accounts.

Marija Zivanovic avatar
Written by Marija Zivanovic
Updated over a week ago

If your Microsoft 365 account was disconnected after connecting, chances are their SMTP is disabled.

You need to enable SMTP and then wait for an hour. Waiting for an hour is a crucial step. This allows Microsoft to propagate the changes and share new tokens with us.

Here's the official Microsoft guide on it: https://aka.ms/smtp_auth_disabled


Enable SMTP for Outlook accounts directly from Microsoft

Here are the steps to enable SMTP for your Outlook accounts directly from Microsoft:

  • Login to your admin console and from this link - select the account

  • Click Mail in the flyout that appears, and then click Manage email apps

  • Verify the Authenticated SMTP setting is enabled

  • Save changes

  • After one hour, remove accounts from Instantly and then connect them again

  • Click on your account's three dots in Instantly and choose Remove Account

Note: In case you are getting the error "Your account already exists" when trying to add it, please try to sign in Instantly from the Incognito window.


Enable SMTP for Outlook accounts purchased on Godaddy

If you get Outlook accounts from GoDaddy, you can check out this guide.

It is important to enable SMTP in the Godaddy Admin section, wait for an hour, and then add the account to Instantly.
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If your accounts keep disconnecting, delete them from Instantly, re-enable SMTP, wait for an hour, and connect your accounts again.

This video explains the process:

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