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  2. DomainKeys Identified Mail - Wikipedia

    en.wikipedia.org/wiki/DomainKeys_Identified_Mail

    DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect forged sender addresses in email (email spoofing), a technique often used in phishing and email spam. DKIM allows the receiver to check that an email that claimed to have come from a specific domain was indeed authorized by the owner of that domain. [ 1 ]

  3. Email authentication - Wikipedia

    en.wikipedia.org/wiki/Email_authentication

    Email authentication is a necessary first step towards identifying the origin of messages, and thereby making policies and laws more enforceable. Hinging on domain ownership is a stance that emerged in the early 2000. [3] [4] It implies a coarse-grained authentication, given that domains appear on the right part of email addresses, after the at ...

  4. DMARC - Wikipedia

    en.wikipedia.org/wiki/DMARC

    If the email passes the authentication, it will be delivered and can be trusted. If the email fails the check, depending on the instructions held within the DMARC record the email could be delivered, quarantined or rejected. DMARC extends two existing email authentication mechanisms, Sender Policy Framework (SPF) and DomainKeys Identified Mail ...

  5. Authenticated Received Chain - Wikipedia

    en.wikipedia.org/wiki/Authenticated_Received_Chain

    However, a strict DMARC policy may block legitimate emails sent through a mailing list or forwarder, as the DKIM signature will be invalidated if the message is modified, such as by adding a subject tag or footer, and the SPF check will either fail (if the forwarder didn't change the bounce address) or be aligned with the mailing list domain ...

  6. Sender Policy Framework - Wikipedia

    en.wikipedia.org/wiki/Sender_Policy_Framework

    To authenticate the email address which is actually visible to recipients on the "From:" line, other technologies, such as DMARC, must be used. Forgery of this address is known as email spoofing, [3] and is often used in phishing and email spam. The list of authorized sending hosts and IP addresses for a domain is published in the DNS records ...

  7. Brand Indicators for Message Identification - Wikipedia

    en.wikipedia.org/wiki/Brand_Indicators_for...

    To implement BIMI, companies need a valid DMARC DNS record with a policy of either quarantine or reject, an exact square logo for the brand in SVG Tiny P/S format, [3] and a DNS TXT record for the domain indicating the URI location of the SVG file.

  8. Email spoofing - Wikipedia

    en.wikipedia.org/wiki/Email_spoofing

    Email spoofing is the creation of email messages with a forged sender address. [1] The term applies to email purporting to be from an address which is not actually the sender's; mail sent in reply to that address may bounce or be delivered to an unrelated party whose identity has been faked.

  9. Demarcation point - Wikipedia

    en.wikipedia.org/wiki/Demarcation_point

    Demarcation point is sometimes abbreviated as demarc, DMARC, or similar. The term MPOE ( minimum or main point of entry ) is synonymous, with the added implication that it occurs as soon as possible upon entering the customer premises.