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Mastering Email Security: Deep Dive into SPF, DKIM, and DMARC
Discover a simple and detailed explanation of the acronyms SPF, DKIM and DMARC, the three protocols that ensure the security of your emails on a daily basis.
Standardized in 2007, the DKIM protocol relies on a cryptographic signature to guarantee the authenticity of the sender of an e-mail and the integrity of the message sent. Like a seal on a letter, this protocol enables the recipient of an e-mail to check that it has not been altered in transit, and confirms the identity of the sending domain. Don't hesitate to double-check with the person concerned if the e-mail asks you to carry out an urgent action (e.g. information, bank transfer, etc.
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