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.

The Russian Data Localization Law: What You Need to Know to Be Compliant

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PLEASE NOTE: THIS DOCUMENT IS PROVIDING GENERAL INFORMATION ON THIS LAW AND NEITHER THE AUTHOR NOR SENDGRID IS PROVIDING LEGAL ADVICE OR COUNSEL. Following is a snapshot of the Russian Data Localization Law (Russian Federal Law No. 242-FZ) that goes into effect September 1, 2015. It includes direct portions of the law, but is not the law in its entirety. Please reference the bottom of this post for additional resources and sources. What it is: This is a Russian Federal Law that requires any business that collects and/or stores personal information of Russian citizens to first process that data in

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A/B Tests and Triggered Email Measurement Stats with Threads

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The following is a guest post from Andrew Smith at SendGrid Labs. Below, he’ll share some exciting new additions to triggered email service, Threads. Triggered emails are one of the most powerful ways companies can meaningfully engage with their customers and increase marketing ROI. Threads is an extremely flexible and powerful way to engage customers by building workflows and sending triggered emails (e.g. a Welcome Series to a new customer). Your triggered emails just got better. We are thrilled to announce two new awesome features to Threads: A/B tests Email measurement stats A/B Tests Users now have the ability to test different workflow

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CASL Checklists: Are You Abiding By the Law?

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Over the past few years, the email community has kept up with the progress of the Canadian Anti-Spam Legislation (CASL). Since CASL went into effect (just over a year ago on July 1, 2014), the Canadian Radio-television and Telecommunications Commission (CRTC) has been able to prosecute any companies not abiding by the requirements of the legislation. Starting on July 1, 2017, the law will also allow individual email recipients to pursue damages directly from senders for not complying with CASL laws. With the knowledge of this impending right-of-action, and the fact that the CRTC has already pursued a few companies for CASL

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What Is and What Isn’t an IP Warm Up?

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As an email marketer, you’re most likely not a stranger to the term “IP warm up.” In this blog I’ll explain exactly what IP warm up is for those who are unfamiliar with the term, and I’ll explain exactly what it isn’t for those who are. Why do we warm up IPs? Unfortunately, the need to warm up IP addresses is mostly the result of a tremendous number of bad actors who abuse the medium of email to send recipients content and messages they didn’t agree to receive. The result of this is that inbox providers inherently (and necessarily) distrust unfamiliar senders. Because

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Sending a Welcome Series with Threads

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The following is a guest post from Sean Harding at SendGrid Labs. Below, he’ll share some more information about triggered email service, Threads. Built on top of SendGrid’s world class email delivery service, Threads is an extremely flexible and powerful way to engage customers with triggered emails (e.g. a welcome series to a new customer). We introduced some of Thread’s capabilities last week on the blog, but would like to share a more specific example today. One of the easiest and most useful ways you can start leveraging Threads triggered emails is a welcome series. A welcome series is a

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Two New Email Segmentation Techniques

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If you’re an email marketer and you haven’t adopted some sort of address list segmentation strategy, you’re way behind the times. Just a few years ago, list segmentation simply meant splitting your mailing list into a few parts based on demographics: women get these messages, men get these messages, east-coasters get these messages and west-coasters get these messages, etc. These days, recipients still expect personalized content that caters to their interests, but there are two segmentation strategies that take the concept of targeted sending up a notch: Target your openers first… As an expert email marketer, you should know which

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200 Billion Emails. A Billion Recipients. Introducing, “The Data Science of Email.”

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Big data continues to change the way marketers engage their customers and email plays a critical role in the evolving big data landscape. Email marketing in particular can be significantly more effective when big data sets are analyzed under the trained, critical eye of a data scientist. Today we’re excited to introduce a thought leadership video series that is spearheaded by our very own senior data scientist and the head of our big data team, Dr. Aaron Beach. Beach spends his days at SendGrid in the data trenches—and he’s uncovered some key insights related to email engagement. He’s decided to

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