Corporate mail on Microsoft can be purchased in two ways:
Standard purchase through Microsoft365 - this is a usual way to purchase a subscription, one account will cost $6/month for one accounts.
Microsoft X GoDaddy - when you purchase domains through GoDaddy, you will be offered to buy corporate email through this offer. This method costs about $2.5/mo for one account.
How to connect standard Microsoft365 account
Important: for the first link, you need to use an account that has Administrative rights in Microsoft 365. After linking it, you will be able to easily link the rest of the accounts.
Open active users page inside Microsoft Admin Center
Click on the user's row in the table, a modal window will open. After that you need to go to the "Mail" tab
Click on the link Manage email apps
Next, apply the settings from the screenshot below and click Save changes
Repeat the process for other accounts, wait approximately 1 hour.
Open coldy.ai and go to the Email accounts page, click Add inbox and select Microsoft
Then log in to your account through Microsoft. Be sure to click Consent on behalf of your organisation
How to connect GoDaddy x Microsoft account
Open the My products page in your GoDaddy account
Open the Email & Office card and click Manage all →
Next, in the table with users, click Manage for the required user
In the opened window, you need to find the link Advanced settings at the bottom of the page
At the bottom, the SMTP authentication setting will appear, you need to enable it
Repeat the process for other accounts, wait approximately 1 hour.
Go to Coldy on the Email accounts page, click Add inbox and select Microsoft
Then log into your account through Microsoft. Be sure to click Consent on behalf of your organisation