How to Set Up SparkPost as Your SMTP Relay
Aug. 5, 2019 /
By Vincent Song
A step-by-step guide to setting up SparkPost as an SMTP relay. Start sending emails quickly through any preferred email client with ease today!
Read more 
The Differences Between Using SMTP or API with SparkPost
Jul. 15, 2019 /
By Dave Gray
Sending email through SparkPost can be done through SMTP or using our API. We'll take you through the pros and cons of each method with some examples.
Read more
New Events API: More Powerful, Flexible Events Searching
Jan. 25, 2019 /
By Jessica Lopatta
Our new Events Search API's searching capabilities allow you to access the raw event data associated with the messages you send via SparkPost.
Read more
Introducing Our New Recipient Validation Feature
Dec. 5, 2018 /
By Haley Solomon
SparkPost’s new feature, Recipient Validation, is an easy, efficient way to verify that addresses are valid before you send.
Read more
How to Get Started with Snippets in SparkPost Email Templates
Nov. 28, 2018 /
By Isaac Kim
Discover how to use Snippets: reusable content that, once created, can be imported into the HTML, Text, or AMP part of any SparkPost email template.
Read more
Building a Robust Email “Event” Archival System
Nov. 7, 2018 /
By Jeff Goldstein
Learn about how to put all the information from RESTful API queries and webhook deliveries into your backend systems for long-term archival.
Read more
Heads Up: Changes to Error Handling in Transmissions API
Oct. 3, 2018 /
By Isaac Kim
Learn about three major upcoming changes to error handling in our Transmissions API that we're rolling out in January 2019.
Read more
The Bayesian Logic in SparkPost’s A/B Testing API
Aug. 10, 2018 /
By Jason Sorensen
Our new API feature for A/B testing transactional emails uses a statistical algorithm, Bayesian Logic, for picking the winning variant of the message.
Read more
New Feature: A/B Testing API for Transactional Email and Notifications
Jul. 25, 2018 /
By Irina Doliov
Transactional email has unique testing requirements. SparkPost’s A/B Testing API is optimized for testing real-time use cases like app notifications.
Read more