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DKIM (DomainKeys Identified Mail)

An email authentication method designed to verify the authenticity of email messages and ensure that they have not been altered during transit. DKIM works by adding a digital signature to the email header, which is generated using a private key held by the sender's mail server. This signature can be verified by the recipient's mail server using a corresponding public key published in the DNS records of the sender's domain. The primary purpose of DKIM is to help prevent email spoofing and phishing by confirming that an email message genuinely originates from the claimed domain and has not been tampered with. By implementing DKIM, organizations can enhance their email security, improve deliverability, and protect their domain's reputation.

Related Terms

Dedicated IP

A dedicated IP is an exclusive IP address, offering better reputation control, consistency, and custom authentication. It improves deliverability but shared IPs can benefit smaller or new senders.

DMARC (Domain-Based Message Authentication, Reporting & Conformance)

DMARC is an email authentication protocol that prevents spoofing and phishing by enforcing SPF and DKIM policies. It improves security, deliverability, and brand protection while providing authentication reports.

DNS (Domain Name System)

DNS is a system that translates domain names into IP addresses, allowing computers to communicate. It enables easy web access by resolving names to addresses through a network of DNS servers.

IP (Internet Protocol)

IP is a communication protocol that assigns addresses to devices, enabling data transmission and routing over networks, ensuring data packets reach the correct destination efficiently.

SPF (Sender Policy Framework)

SPF is an email authentication protocol that prevents spoofing by verifying authorized mail servers. It improves deliverability and security by allowing domains to specify permitted sending IPs.

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