Authentication Archives

Email Authentication Can Accentuate the Positives, But It Doesn’t Always Eliminate the Negatives

Mar. 13, 2020 / By Todd Herr

Postmaster, Todd Herr, not only explains the value of email authentication (SPF, DKIM, and DMARC) but also its limitations.

Recipient Validation: API-based Validation

Sep. 4, 2019 / By Steve Tuck

Senior Messaging Engineer, Steve Tuck, explains how to use his simple command-line tool to validate email addresses with SparkPost's API-based validation.

The Future of Email: Google Commits to BIMI

Jul. 25, 2019 / By Scott Grant

Google commits to BIMI! Learn what BIMI is and how it encourages legitimate brands and senders to adopt email authentication protocols.

What is an SPF Record?

Jun. 26, 2019 / By Erica Weiss

Interested in implementing the Sender Policy Framework (SPF) but not sure where to start? Check out our guide to learn how SPF records work.

S/MIME Part 4: Collecting Recipient Public Keys the Easy Way – with SparkPost Inbound Relay Webhooks

Feb. 1, 2019 / By Steve Tuck

In part 4 of his series, Senior Messaging Engineer, Steve Tuck explains how to collect recipient public keys with SparkPost Inbound Relay webhooks.

Financial Services: How to Implement DMARC

Jan. 18, 2019 / By Daniel Mackay

Follow our guide on DMARC to ensure your financial services company meets this vital security standard for email authentication.

No DMARC Record Found? These Resources Might Help

Jun. 27, 2018 / By Jett Pendleton

No DMARC Record Found? DMARC helps protect email senders and recipients from spam, spoofing, and phishing, and is key to improving email deliverability.