In previous tutorial, we introduced how to apply for Office 365 E5 developer subscription and how to use its OneDrive to build your own drive index program
Today, let's take a look at how to use Office 365 E5 to configure your own domain email service for free
Free domain email service comparison
Before we begin, we can briefly take look at current free domain email service
| Zoho | Yandex | Postale | Microsoft | ||
|---|---|---|---|---|---|
| Domian | 1 | 1000 | 1 | Base on your subscription | Base on your subscription |
| User | 5 | Unlimited | 1 | Base on your subscription | Base on your subscription |
| Home Page | Zoho | Yandex | Postale | Microsoft | |
| POP&IMAP | :x: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
We can choose base on our preference
Domain email configuration
In order to utilize our E5 subscription, here I will use Microsoft 365 E5 Developer Subscription to demonstrate
First, log into our E5 portal through portal.office.com and select admin in the bottom left
Here, click show all- setting - domains - add domain
Then, enter the domain name we want use and click Use this domain
Next, it will ask us to verify the domain, if your domain is hosted on the Cloudflare, you can just keep the default and login to the Cloudflare to verify
Of course, you can click more options to choose the other verification method that suits you
After verification, it will ask us to add three DNS records
We just need to add these records to our Cloudflare portal
You can choose to let Microsoft auto-config for you or you can add these manually
After all the configuration is complete, it's basically look like this
You can also click advanced options to configure other services
If you only need to use the domain email service, you only need to configure the first three records
Catch-all mailbox setting
First, Click exchange in the bottom left
Then choose recipients - groups - add dynamic distribution list
Type any display name we want, choose our main account as the Owner
Then under members, select only the following recipient types - Users with Exchange mailboxes
Click save, then select mail flow - accepted domains
Double click our domain and change it to Internal Relay
Next, select rules - Create a new rule
Type any name we want, here I will use catchall。Allpy this rule if let's select The recipient - is located - Outside the organizaiton
Do the following choose Redirect the message to then select the email account we want to redirect to`
Click more options - Excipt if - The recipient is a member of then choose the alluser group we just created. Click save.