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DKIM (DomainKeys Identified Mail) is like a digital signature for your emails. Imagine sending a letter with a unique seal on it. This seal proves that the letter is really from you and hasn’t been tampered with along the way. In the same way, DKIM adds a hidden, secure signature to your emails. When you send an email, this signature verifies that it’s genuinely from your email address and that its contents haven’t been changed by anyone else during its journey to the recipient. This helps prevent spammers from pretending to be you and sending emails in your name.
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