Glossary

Learning Center

The Palisade Learning Center offers a glossary of DMARC, email authentication, and related terms, helping you easily understand the most common technical terms in the industry.

What is MTA-STS?

MTA-STS enforces TLS encryption for email, preventing interception using DNS-hosted policies.

What is MTA-STS?

RUF provides DMARC forensic reports, detailing email failures to combat spoofing via DNS.

What is a RUF?

RUA delivers DMARC aggregate reports via DNS, revealing email authentication and spoofing insights.

What is a RUA?

What are Spam Emails?

Spam floods inboxes with unwanted, risky emails, disrupting communication and threatening security daily.

What are Spam Emails?

What is an MTA?

MTAs route and deliver emails, ensuring secure, reliable communication via SMTP protocols.

What is an MTA?

What is an MX Record?

MX Records route emails to designated servers via DNS, ensuring reliable delivery.

What is an MX Record?

What is a PTR Record?

PTR Records map IPs to domains for reverse DNS, verifying email servers to prevent spam.

What is a PTR Record?

DKIM signs emails cryptographically, verifies authenticity, and prevents spoofing using DNS public keys.

What is DKIM?

SPF authorizes email servers via DNS, preventing spoofing and ensuring secure email delivery.

What is SPF?

BIMI displays verified brand logos in inboxes, enhancing trust using DMARC and DNS records.

What is BIMI?

ARC preserves SPF/DKIM/DMARC authentication through email relays, ensuring legitimate messages pass checks.

What is ARC?

SMTP sends emails reliably across servers, using secure protocols to ensure delivery.

What is SMTP?