PS C:\> Get-DkimSigningConfig -Identity | fl Selector1CNAME,Selector2CNAME
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PS C:\> Connect-ExchangeOnline -UserPrincipalName the cmdlet Get-DkimSigningConfig including the domain. Run PowerShell as administrator and Connect to Exchange Online PowerShell. Get Office 365 DKIM selector with PowerShell If you want to add more than one domain, change the domain and tenant. Selector2._domainkey CNAME selector2-exoip-com._ After that, we will return to this page and enable DKIM.Īn example of how the DKIM records look like for the domain : selector1._domainkey CNAME selector1-exoip-com._ That’s correct because we need to add a couple of CNAMES in the domain’s registrar. Microsoft can’t automatically enable this as it relies on certain DNS records added to the domain’s registrar.Ī message will show that it can’t enable DKIM because the CNAME record does not exist for this config. Note: DKIM is by default disabled for every domain you add in Office 365. In this example, the domain .Ĭlick on Create DKIM keys to enable DKIM. Click on Policies & rules.Īnother option is to go straight to the link. Sign in to Microsoft 365 security center. Add DKIM signatures to your domains, so recipients know that email messages actually came from users in your organization and weren’t modified after they were sent. What is DomainKeys Identified Mail (DKIM)?ĭomainKeys Identified Mail (DKIM) is an authentication process that can help protect both senders and recipients from forged and phishing email.
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Add Office 365 DKIM CNAME records to domain’s registrar.Get Office 365 DKIM selector with PowerShell.What is DomainKeys Identified Mail (DKIM)?.