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Security

SPF, DKIM, DMARC, BIMI, MTA-STS, and TLS-RPT — standards, guidance, and enforcement strategy for the enterprise inbox.


13 articles
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History of Email

History of Email

There are many fascinating tales and innovative technologies throughout the history of email. In the timeline below, we’ve highlighted 24...

9 min 11 Oct 2023
What is Phishing?

What is Phishing?

Phishing is when cybercriminals send malicious emails to scam internet users. It is a form of social engineering in which scammers use human psychology...

13 min 11 Oct 2023
How to prevent Email Spoofing.

How to prevent Email Spoofing.

Spoofing emails is one of the most frequent sorts of hacker behavior that includes email exchanges. Everything you need to...

3 min 11 Oct 2023
What is Sender Policy Framework (SPF)

What is Sender Policy Framework (SPF)

What is SPF SPF(Sender Policy Framework) is an email authentication protocol that domain admins deploy to prevent spammers from spoofing their domain....

5 min 11 Oct 2023
What is Email Spoofing?

What is Email Spoofing?

Email spoofing is the creation of email messages with a forged sender address. This indicates that the message looks to...

9 min 11 Oct 2023
The Skysnag Scanner

Check your domain's DMARC compliance.

Five protocols. Sixty seconds. No account. A full authentication-posture report on your domain, delivered before your coffee cools.

DMARC · SPF · DKIM BIMI · MTA-STS · TLS-RPT No signup required