Connect Microsoft 365
Your setup path depends on where Microsoft 365 was purchased and who manages your active DNS.
Purchased through SaaSTech Servers
When your email and DNS are in the same SaaSTech Servers account, the required email records are configured automatically.
What you should do
- 1
Confirm your subscription is active in your SaaSTech Servers account.
- 2
Confirm that SaaSTech Servers manages the active DNS before relying on automatic setup.
- 3
For Microsoft 365 purchased here, support can review the required records for you to add at another DNS host.
Purchased from Microsoft or elsewhere
Continue below. Microsoft will show tenant-specific verification and mail records that you must add in your domain DNS.
Manual setup for external subscriptions
This self-service path is for Microsoft 365 purchased from Microsoft or another provider. For purchases here, first check the account and DNS conditions above.
Open your domain’s DNS
If SaaSTech Servers manages your DNS, follow these steps. If another provider manages it, open that provider’s DNS records instead.
- Sign in to your SaaSTech Servers Domain Portfolio External · opens new tab ↗.
- Select the individual domain to open its Domain Settings page.
- Select DNS.
Need help signing in? Find your username or password External · opens new tab ↗.
These are self-service connection instructions. Domain support does not include modifying DNS for third-party products or troubleshooting their records. Ask the service provider for its current records and support. Read domain support limits
Add the domain in Microsoft 365
Sign in at admin.microsoft.com, then go to Settings → Domains → Add domain. Enter the domain and choose the manual setup path if you are adding records yourself.Open Microsoft 365 AdminExternal · opens new tab ↗Microsoft: add a domainExternal · opens new tab ↗
Verify ownership with TXT
Copy the unique MS=msXXXXXXXX TXT value shown by Microsoft in your domain DNS, then return to Microsoft and select Verify. Use the exact value from your tenant.Add a TXT record in SaaSTech Servers DNSExternal · opens new tab ↗Microsoft: find your DNS recordsExternal · opens new tab ↗
Prepare users and mailboxes
Create every user, shared mailbox, alias, and group before the MX change. Microsoft recommends completing mailbox preparation before redirecting incoming email.
Copy Microsoft’s required records
In Settings → Domains, select the domain and continue setup. Copy the MX, Autodiscover, SPF, and any additional records Microsoft lists for the services you selected.Open Microsoft 365 AdminExternal · opens new tab ↗Manage records in SaaSTech Servers DNSExternal · opens new tab ↗
Make the mail cutover
At the approved time, add the reviewed records. The tenant-specific MX target ends in mail.protection.outlook.com. Remove old MX records only when mail should start flowing to Microsoft 365.Add an MX record in SaaSTech Servers DNSExternal · opens new tab ↗DNS Cutover GuideSaaSTech Servers guide →
Verify and authenticate
Finish domain setup, test external mail in both directions, then configure DKIM and DMARC. Monitor through the old TTL period and use the rollback plan if a critical check fails.Check mail records with MXToolboxExternal · opens new tab ↗
Typical Microsoft 365 records
| Purpose | Type | Host | Value |
|---|---|---|---|
| Verify domain | TXT | @ | MS=msXXXXXXXX |
| Receive mail | MX | @ | Your tenant’s *.mail.protection.outlook.com target |
| Outlook setup | CNAME | autodiscover | autodiscover.outlook.com |
| Authorize sending | TXT | @ | Microsoft 365 SPF value, merged with other senders |
The verification and MX values above are patterns, not values to copy. Use exactly what your Microsoft 365 admin centre displays. Additional Microsoft services can require more records.