API-based validation

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.

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bimi email

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.

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SPF Record

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.

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recipient public keys

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.

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DMARC financial services

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.

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No DMARC record found

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.

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SPF and DKIM

Understanding SPF and DKIM to Improve Email Deliverability

May. 11, 2018 / By Jett Pendleton

Here’s an easy-to-understand explanation of SPF and DKIM, and how to configure these important email authentication standards for your domain.

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pink envelope keys dkim validation

DKIM Validation: An Email Authentication Best Practice

May. 8, 2017 / By Todd Herr

An overview of DKIM validation including how to sign and validate work, interpreting DKIM signatures, what DKIM public keys look like and more.

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Your Role in the State of Email 2017

State of Email 2017: Your Role As A Sender

Mar. 3, 2017 / By Kate Nowrouzi

Our State of Email 2017 webinar will share insights on boosting ROI by bridging the gap between mailbox providers, marketers and email service providers.

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