SendGrid's Email Deliverability Blog

From email deliverability best practices, to hackathon highlights, API tutorials, and everything in between, the SendGrid blog is your destination for all things email. Browse our most recent posts in the main feed or filter by category. Be sure to subscribe to the blog to get a daily digest of posts and reach out to us in the comments to let us know how we're doing.


2016 Gmail and Microsoft DMARC Update

Best Practices
DMARC Update
DMARC changes from major inbox providers Microsoft and Gmail are about to shake up things in the world of email authentication this June. In this post, Email Deliverability Consultant, Jacob Hanson, gives a 10 minute video rundown of everything you need to know about DMARC and what these changes mean for your email program. ... Read more ›

Modern Authentication and Identity: Where Are We Today?

Guest Post, Partnerships
AuthO example
Ryan Chenkie from Auth0 explains why there's so much more to authentication today than just entering a username and password. Now, we have ways to make authentication and identity more secure for both users and companies, all with the added benefit of it being more convenient in many cases. This is made possible with features like social login, passwordless authentication, single sign-on, and multifactor auth. All are explained in this guest post, including how Auth0 and SendGrid can help. ... Read more ›

Using PHP to Implement a Fluent Interface to Any REST API

Technical
Substitution Tags
As we upgrade our open source SendGrid API libraries to support our v3 Web API, we've also been updating our API client libraries to contain as few dependencies as possible. Part of this effort entails creating brand new, lean HTTP clients to drive communication with our APIs. In this post, we'll explore our new PHP HTTP client that will drive our new v5 SendGrid PHP library, using a working prototype. ... Read more ›

New Release: Email Marketing 101 Tips

Best Practices
email marketing 101 tips

When you sit down to develop a new email marketing program or campaign, where should you start? We recommend starting with our new content bundle, Email Marketing 101 Tips! Our aim is to help pave a rock-solid foundation for you to build the rest of your program on by tackling your strategy, welcome email, and content, right off the bat. … Read more ›