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.

Introducing the Next Generation of SendGrid and Advanced Suppression Manager

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Over the last few months, we’ve been hard at work innovating how our customers engage and work with their SendGrid accounts. Today, we’re happy to announce that a new generation of the SendGrid Customer Portal is available for customers to try in beta. This optional, early-stage version of the new SendGrid Customer Portal provides SendGrid users with an improved user experience and interface consistency. Moving forward, this new SendGrid environment will be the place to find new products, features, and enhancements. Log into the beta to find announcements every few weeks! To try the SendGrid Customer Portal beta, log into

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Email Delivery Failure: What Causes It?

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Email delivery can be a frustrating business. You work hard to create emails that will capture your customers’ attention, and sometimes all of that hard work goes to waste. And despite your customers having asked to receive these emails, Internet Service Providers (ISPs—like Gmail, Yahoo, and AOL) and other filters can make can make 22% of them go undelivered. What’s a sender to do? First of all, it’s important to understand that it’s not personal. ISPs are just trying to sift through over 100 billion emails that are sent daily. This volume of spam makes it extremely difficult for ISPs to

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Open Source Documentation: One Year Later

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A year ago, we open sourced our documentation, with the hypothesis that it would improve the docs by adding feedback loops and removing barriers that discourage contribution. We also wanted to share what we had learned during the process. I’m glad to say that so far the results have been good, and the decision to open source our documentation continues to help us improve it as a product. Where We Are Now We’ve had 59 different contributors to the docs repo since we open sourced it, with around 15 of those contributors being community members rather than SendGrid employees. Considering

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Diversity at SendGrid

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Today we are taking the next step in our diversity efforts by releasing our demographic figures. We may not be the first to do this, however we are glad to be part of the movement in the tech industry to make it more diverse and inclusive. By becoming transparent with our figures we hope to not only positively influence the industry as a whole, but also hold ourselves accountable to continually measure and take steps to improve.     We have a multi-pronged strategy to help change the diversity imbalance both internally at SendGrid and in the industry as a

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3 Ways to Send Behavioral Emails

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The following is a Guest Post by Jimmy Daly, who runs the blog at Vero. You can say hi to him on Twitter or Google+. The future of email is personalization, but the definition of that term is changing rapidly. Adding a user’s name in the subject line is old school compared to what some of the smartest companies are doing with the huge amounts of data that marketers now have access to. It can be overwhelming to think about sending one-to-one emails to your leads and customers but it’s actually easier than you think. There are few ways to go

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Visit SendGrid at DataWeek + API World 2014 Conference & Expo

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Next week, on September 16th, 9am at DataWeek + API World 2014 in San Francisco, I’ll be presenting a talk, titled “Quantify Thyself, then Go Forth and Conquer with a Personal Life API.” A couple months ago, I wrote a blog about creating a personal API to analyze data from your personal life to make real-time decisions or perform long-term planning. The post covered what data to quantify, how to automagically gather that data, and the tools for creating a Personal Life API. My goal with this presentation is for the audience to walk away with the knowledge and tools to build

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Announcing New SendGrid Features and Functionality

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As the world’s largest email infrastructure as a service, we’re constantly improving the SendGrid experience and functionality for our customers. Today, we’re happy to announce the release of 4 new features: Email Scheduling Parameters IP Warm Up 2-Factor Authentication SSL-Enabled Click and Open Tracking. These new features are available right now and are completely free to use depending on your plan. Below, you’ll find a brief description of each of the new SendGrid features and how they’ll benefit your email program. For additional information, as well as directions on how to implement them, please click on the links to each

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