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.

What is Domain Reputation and Why is It Important?

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Did you know that your sending domain carries a reputation just like your IP address does? It’s true. Domain reputation is becoming a more and more important part of how mailbox providers decide whether or not your email lands in the spam folder, or the inbox. What does this mean for senders? You might already know that it’s a good idea to send your marketing email from different IPs than your transactional email. This will always be a best practice. However, if mailbox providers are assigning a reputation to your domain, does that dilute the effectiveness of IP segmentation? To

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Announcing SendGrid’s Second Annual Email Matters Event in NYC

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We’re getting excited for our second annual Email Matters event in New York at 404, on September 16. Once again, we’re bringing together nearly 200 marketers and developers for an afternoon focused on user engagement, customer data insights, and email strategy best practices.   Speakers and Agenda This year, we’re sharing the stage with our customers including The Ladders’ VP of Growth & Marketing, Deepa Miglani, our customer keynote speaker. We are also hosting two panel discussions moderated by SendGrid’s VP of Support and Business Operations, Ken Apple. The first discussion with Juan Soprano of Pixable and Ben Hindman of Splash will

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Learn the Anatomy of a Marketing Email

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When you think of what goes into a marketing email, what comes to mind? A subject line? Maybe a call to action (CTA)? What about a pre-header? Or a footer that includes your physical address? A surprising amount of different content pieces come together to create a marketing email. To craft the most effective campaign, you need to know the best practices (and insider tips) on how to implement these pieces. Join us this Thursday, September 3rd at 1 PM ET as our resident email marketing master, Erik Ault, guides us through the anatomy of a marketing email, from “from-address”

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Use Threads to Send an Account Verification Reminder

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The following is a guest post from Andrew Smith at SendGrid Labs. Below, he’ll share some insight on how to set up an account verification reminder using our new triggered email service, Threads. Setting up an account verification reminder in Threads is super easy, yet powerful. Here’s an example of how the SendGrid Labs team used Threads to set up a reminder for Loader.io. Step 1: Paste the Thread’s JavaScript snippet into the <head></head>of your web app. Replace “XYZ” with your Threads project ID found in the JavaScript snippet on your dashboard. Alternatively, you can connect your web app to

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Canada’s Anti-Spam Legislation (CASL): FAQ

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If you haven’t visited the content corner of SendGrid in a while, you may have missed some of the new content we’ve created around Canada’s Anti-Spam Legislation (CASL). Our delivery consultant, Jacob Hansen, hosted legal expert, Shaun Brown, in a CASL-focused webcast where we discussed what CASL is, what it does and doesn’t apply to, and what measures you need to put in place for your email program to be compliant. We received a ton of great questions that we summarized and submitted to Shaun for a quick webcast recap–check out Shaun’s answers below! CONSENT CLARIFICATION Is there a similar nation or state law

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4 Factors that Affect Email Deliverability

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The following is part of a series of guest posts from Windows IT Pro that takes an in-depth look at SMTP. So far, we’ve learned about the history of Simple Mail Transfer Protocol (SMTP) and examined various definitions for when an email is considered “delivered.” In this final post from Windows IT Pro, they examine 4 key factors that affect email deliverability. Many factors can affect deliverability, including having a good sending reputation, properly authenticating your mail through SPF and DKIM, and having strong permission practices. But four factors really stand out: The health of the messaging infrastructure What’s in the

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5 Common Email Misconceptions…Demystified

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Email lives in a fluid environment–what may have been completely taboo yesterday could be preached as a best practice today. Because of this, it’s easy to buy into some bad information. We grabbed one of our, Delivery Consultants, Jacob Hansen to clear up 5 common email misconceptions he encounters on the front lines when he’s working with our customers! Plug in your headphones and press play for 6 wonderful minutes of email myth busting with Jacob, or scroll down to get straight to business with a quick misconception recap. 5 Common Email Misconceptions (with video timestamps) #1. The bigger the list,

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