How do I enable DKIM signing?

Go to Protection > dkim. Select the domain for which you want to enable DKIM and then, for Sign messages for this domain with DKIM signatures, choose Enable. Repeat this step for each custom domain.

How do I add DKIM to my email?

Here are the steps to a correct DKIM setup:

  1. List all your sending domains.
  2. Install a DKIM package on your email server (see details below)
  3. Create the public and private DKIM key pair.
  4. Publish the public DKIM key.
  5. Hide the private DKIM key.
  6. Configure your email server.
  7. Test your DKIM setup.

What is DKIM enabled mail?

DomainKeys Identified Mail, or DKIM, is a technical standard that helps protect email senders and recipients from spam, spoofing, and phishing. It is a form of email authentication that allows an organization to claim responsibility for a message in a way that can be validated by the recipient.

How do I enable DKIM and SPF?

To enable DKIM signing for your custom domain by using PowerShell

  1. Connect to Exchange Online PowerShell.
  2. Use the following syntax: PowerShell Copy. Set-DkimSigningConfig -Identity -Enabled $true. is the name of the custom domain that you want to enable DKIM signing for.

Should I enable DKIM?

It’s an optional security protocol, and DKIM is not a universally adopted standard. Even though it’s not required, we recommend you add a DKIM record to your DNS whenever possible to authenticate mail from your domain.

What is DKIM signing?

A DKIM signature helps mailbox providers verify you as the sender while preventing phishing attacks known as email spoofing. Imagine signing an important letter with invisible ink, which makes it clear the message came from you and no one else. That’s essentially what DKIM does.

How do you check if DKIM is enabled for a domain?

You can check/validate your DKIM record by using our DKIM record Checker.

  1. Enter ‘Google’ as the Selector. As an example, we’re using a generated domain key from Google Apps.
  2. The DKIM record is correctly configured when the DKIM Checker shows ‘This is a valid DKIM key record’.
  3. If the selector is not valid.

Why do I need DKIM?

DKIM discourages spammers from spoofing and protects recipients from phishing attacks. In turn, it improves email deliverability and strengthens stakeholder trust.

How do I enable SPF?

Follow these five simple steps.

  1. Step 1: Gather IP addresses used to send email. The first step to implement SPF is to identify which mail servers you use to send email from your domain.
  2. Step 2: Make a list of your sending domains.
  3. Step 3: Create your SPF record.
  4. Step 4: Publish your SPF to DNS.
  5. Step 5: Test!

Do I need both SPF and DKIM?

Yes! We recommend implementing both as SPF allows senders to tell ISPs which IPs are able to send on their behalf. DKIM allows ISPs to verify that the content sent is what the original sender intended. Both are needed to be secure email sender.

Is there a downside to DKIM?

Disadvantages of DKIM The most notable one is based on the replay attack, about which ZDNET has written a very informative article. Basically, since DKIM doesn’t sign all parts of the message and only authorizes some parts, the email can be forwarded by malicious actors by adding more header fields to it.

Is DKIM better than SPF?

Summing Up. In a nutshell, SPF allows email senders to define which IP addresses are allowed to send mail for a particular domain. DKIM on the other hand, provides an encryption key and digital signature that verifies that an email message was not forged or altered.