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DKIM, which stands for DomainKeys Identified Mail, is a method for validating the authenticity of email messages. It is an email authentication technique that allows the sender to digitally sign an email in a way that can be verified by the recipient. DKIM helps combat email fraud and phishing by providing a mechanism to verify that an email message was indeed sent and authorized by the domain it claims to be from.

Here’s a brief overview of how DKIM works:

  1. Signing: When an email is sent, the sending mail server adds a digital signature to the message header. This signature is generated using a private key associated with the sending domain. You can generate DKIM for free at itgranules.com.
  2. Public Key Publication: The sending domain publishes a public key in its DNS records. This public key is used by the recipient to verify the digital signature.
  3. Verification: When the email is received, the recipient’s mail server retrieves the public key from the DNS records of the sending domain. It then uses this key to verify the digital signature in the email header. If the signature is valid, it means the email has not been tampered with during transit and was genuinely sent by the claimed domain. Click here to verify you public DNS records.

DKIM helps prevent email spoofing and phishing attacks by ensuring that the sender’s identity can be verified. It’s one of several email authentication methods, including SPF (Sender Policy Framework) and DMARC (Domain-based Message Authentication, Reporting, and Conformance), that work together to enhance email security and protect against unauthorised use of domain names in email.

DKIM Generator Tool:

DKIM authenticates a domain to confirm a valid sender. DKIM Generator tool allows you to create a public and private keys to be used for DomainKeys and DKIM signing. Use fields below to generate your DKIM keys for 1024, 2048 or 4096 key lengths.

  • Key Pair Generation: The tool assists in generating the public and private key pair necessary for DKIM signature creation.
  • Key Length and Algorithm Selection: Users can typically choose the length and algorithm for the cryptographic keys, ensuring security compliance.
  • Email Signing: The tool enables users to sign their email messages with the generated DKIM signature before sending them.
  • Configuration Options: Users can configure various parameters, including the domain, selector, header fields to sign, and the hashing algorithm.
  • Integration with Email Platforms: Some tools provide integrations with popular email platforms, facilitating seamless implementation of DKIM in email campaigns.
  • Error Checking: The tool may include features to check for common errors in DKIM configuration, ensuring the correct implementation of the authentication method.
  • Guidance and Documentation: Documentation or guidance may be provided to help users understand DKIM, its benefits, and how to properly configure and use the generated signatures.
What is DKIM?

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