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What is DKIM and how to add to a registrar.

What is  DKIM and how to add to a registrar. 

DomainKeys Identified Mail (DKIM) is an email authentication method designed to protect your domain from email spoofing and phishing attacks. It allows the receiving mail server to verify that an email message was indeed sent by the domain it claims to be from and that the message has not been altered in transit. This article provides an overview of DKIM and instructions on how to add DKIM records to your domain registrar.

What is DKIM?

DKIM stands for DomainKeys Identified Mail. It works by adding a digital signature to your email messages. This signature is a part of the email header and is created using a private key. The receiving mail server can then use the corresponding public key, which is published in your domain's DNS records, to verify the signature.

Benefits of DKIM:

  1. Authenticity: DKIM helps verify that the email comes from the domain it claims to be from.
  2. Integrity: It ensures that the email content has not been altered during transit.
  3. Reputation: Properly configured DKIM can improve your domain's email deliverability and reputation.

How to Add DKIM Records to Your Domain Registrar:

  1. Generate DKIM Keys:
    • Your email service provider or mail server will provide you with a DKIM private key and a corresponding public key.
    • The public key is published in your DNS records, while the private key is used by your mail server to sign outgoing emails.
  2. Log in to Your Domain Registrar:
    • Access the control panel or dashboard of your domain registrar where your DNS settings are managed. Popular domain registrars include GoDaddy, Namecheap, Cloudflare, etc.
  3. Find DNS Management:
    • Look for the section related to DNS management or DNS settings. This is where you can add or modify DNS records.
  4. Add a New DKIM Record:
    • Click on the option to add a new DNS record.
    • Choose TXT as the record type.
  5. Enter DKIM Information:
    • Name/Host: Enter the DKIM selector and domain. The format is typically selector._domainkey.yourdomain.com. For example, if your selector is default and your domain is example.com, enter default._domainkey.example.com.
    • Value: Paste the DKIM public key provided by your email service provider. It will look like a long string starting with v=DKIM1; k=rsa; p= followed by the public key.
  6. Set TTL (Time To Live):
    • Set the TTL to a default value, such as 300 seconds (5 minutes). TTL determines how long DNS servers should cache the record.
  7. Save Changes:
    • Save the new DKIM record to apply the changes.
  8. Verify DKIM Setup:
    • It may take some time for DNS changes to propagate. Use DKIM verification tools or check with your email service provider to confirm that the DKIM record is correctly set up.

 

Setup DNS Records in SendGrid Video: https://www.youtube.com/watch?v=nqKzUDglrJE