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Add DNS record to enable DKIM in O365

When you try to enable DKIM in O365 you get yellow warrning line saying you need to provide two DNS records. What you need to do is copy those two names from that yellow line and create CNAME record in external DNS: Hostname :selector1._domainkey (THIS IS ALWAYS THE SAME FOR EVERY TENANT) Points to address or value : **selector1-**._domainkey.YourTenantName.onmicrosoft.com ( You paste first of the copied values here ) TTL : 3600 Hostname :selector2._domainkey (THIS IS ALWAYS THE SAME FOR EVERY TENANT) Points to address or value : **selector2-**._domainkey.YourTenantName.onmicrosoft.com ( You paste second  of the copied values here ) TTL : 3600 In Windows DNS you would do: Which later looks like: