Category: Server

DKIM, SPF, and DMARC are email authentication protocols that help prevent email spoofing, phishing, and spam. They work together to verify that an email really comes from the domain it claims to come from.

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DMARC stands for Domain-based Message Authentication, Reporting & Conformance.
It’s an email security standard that helps stop spam, phishing, and email spoofing—basically, it keeps bad actors from pretending to send email from your domain.

Here’s the plain-English version:

Continue reading “What is Dmarc for email and do I need it?”

DKIM stands for DomainKeys Identified Mail.

It’s an email authentication method that helps prove an email really came from the domain it claims to be from—and that it wasn’t altered along the way.

Here’s the plain-English version:

• When an email is sent, the sending mail server adds a digital signature to the message.
• That signature is created using a private key owned by the sender’s domain.
• The receiving mail server looks up the sender’s public key in DNS and checks the signature.
• If it matches ✅ the email is legit and unchanged.
• If it doesn’t ❌ the message may be spam, spoofed, or tampered with.

Continue reading “What is Dkim for email and do I need it?”