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.

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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Gmail Postmaster Tools: What You Need to Know

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Our friends at Gmail recently announced Google’s new Postmaster Tools dashboard. (Thank you, Google!) Like the release of their Spam Feedback Loop a year ago, it eliminates a blind spot in the email ecosystem. It gives qualified high volume senders visibility into key metrics that help them improve the quality of their email campaigns and troubleshoot deliverability hiccups. SendGrid has been using Google’s Postmaster Tools for a while now and the data is incredibly valuable. It helps our delivery consulting team quickly identify root causes of deliverability difficulties, and our anti-spam team uses it to identify customers that sent unwanted

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Threads (Beta) Now Available. Start Engaging with Triggered Emails.

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The following post comes from our friends at Threads and SendGrid Labs, a division of SendGrid. Learn more about Threads and how it can impact your email program below. Today is a special and exciting day for Threads. In just a few short months, we’ve grown a product inception into an intelligent triggered email service we’re proud to put our name on. This was no small feat and we could not have come this far, this fast, without the support of SendGrid’s email delivery platform. As of June 30th, Threads is in public beta and graciously accepting new signups by the

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Email Message Flow 101: How SendGrid Helps Your Email’s Journey to the Inbox

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SendGrid has helped thousands of customers send their email messages since 2009. We help our customers build their email content, send their messages, and view the success of each campaign sent. We also realize that the actual journey of an email message from sender to the inbox  is complicated. And, sometimes it may not be fully understood by all senders. This post shows the basics of the email path, along with where SendGrid is helping to make that journey less complicated. In the email flowchart below, you can see the main components that all email messages pass through. Granted, there

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Email Whitelabeling: Why It’s Important and How SendGrid Helps

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Controlling your sending reputation and deliverability just got way easier and more powerful with SendGrid’s improved whitelabeling features. Why whitelabel your account? Whitelabeling protects your brand, helps your email reputation, and can improve deliverability. When you whitelabel at SendGrid it proves to the world that SendGrid has your permission to send emails on your behalf. Our whitelabeling features have evolved and are now comprised of three primary components: IP whitelabeling, domain whitelabeling, and email whitelabeling. Domain Whitelabel This type of whitelabel empowers ISPs and mailbox providers with the ability to verify the identity of the email sender back to the

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Introducing the General Availability of SendGrid’s New Customer Portal

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Following today’s pricing announcement, we are happy to announce the general availability of SendGrid’s new Customer Portal. With today’s launch, we’ve reinvented the way that our customers interact with SendGrid. Whether it be through our innovative and seamless interface, or our new, robust Web API, our customers will experience the new SendGrid Customer Portal as the most intuitive and flexible way to engage with their customers through email. The first thing our customers will notice when logging into their account is a sleek, new interface. Designed with a focus on usability and easy navigation, the new Customer Portal was built with

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