To connect your Microsoft Office365 inbox to Warmbox, you will need to check/edit a few settings in your Office365 Admin Center.
Note: If you created your Office 365 account through GoDaddy, please refer to this guide.
โ TL;DR
I. Activate "Authenticated SMTP" in the Office365 Admin Center
II. Disable "Security default" in the Azure Active Directory Admin Center
I. Activate Authentificated SMTP in the Office365 Admin Center
1. Login to your Office365 account and click on the "Menu" icon at the top left hand corner. Then, select the "Admin" section in the menu
2. In the Admin Center, click on "Users" drop-down list and select "Active users"
3. In the list, select the email address you want to connect to Warmbox
4. In the pop-up menu, click on the "Mail" tab and on "Manage email apps"
5. Check that the "Authenticated SMTP" box is ticked, if it's not, tick it and click on "Save changes"
II. Disable "Security default" in the Azure Active Directory Admin Center
1. In the Office365 Admin Center, click on "Show all" in the left bar menu
2. In the "Admin centers" section, click on "Azure Active Directory"
๐ก You can also access the Azure Active directory via this link
3. A new page will open, click on "Azure Active Directory" in the left bar menu
4. Click on "Properties" in the list
5. At the bottom of the page, click on "Manage Security Default"
6. Click on the "No" button under "Enable Security defaults", and click on the "Save" button
Congrats! ๐You're done with the edits!
Now, wait for 1 hour for the changes to take effect.
After this, you can go back to Warmbox, add a new inbox and input your Office 365 username and password in the required fields to start the warm-up!