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.

3 Friendly Holiday Email Reminders for 2015

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The holidays are a wonderful, memorable, and…insanely stressful time for everyone. Whether you’re knee deep in wrapping up 2016 planning or in wrapping up presents, it can be easy to get swept up in the beautiful mess of the holidays and throw your email program on the back burner. So I want to highlight a few quick holiday email reminders to help keep you on track these next few weeks. Avoid Email Exhaustion Email is a communication tool often abused by senders around the holidays. What was typically a weekly newsletter can morph into multiple daily emails. Yes, recipients probably will

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What Bounce Codes Are Telling You

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To be fair, I’m sure most people would argue that any article on bounce codes (aka SMTP response codes) should be titled “what bounce codes are NOT telling you.” We know that these can at best be cryptic or, most often, very misleading. Most commonly we see codes that say “mailbox unavailable” that should really say “this mailbox doesn’t exist, so don’t send messages to it anymore.” Knowing that this clarity is lacking in the bounce code world, our Delivery Team wanted to add some assistance in interpreting what a bounce code is trying to tell you. SendGrid’s Bounce Code

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Announcing the General Availability of SendGrid Marketing Campaigns

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We are excited to announce the public launch of SendGrid Marketing Campaigns—an entirely new marketing email feature set from SendGrid.     Email Marketing Evolution We launched our first marketing email service two years ago. At the time, we built it to enable developers to give their marketing team control over content. It was a simple tool, but it did its job and has helped thousands of our customers drive better engagement with their recipients. Since then, we’ve watched our customers build more sophisticated marketing strategies and we’ve listened to them share their evolving desires to build lasting relationships with

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Email Marketing Mishaps – Learn From Our Mistakes

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If you’re a seasoned email marketer like me, you probably know exactly what I’m talking about. You send countless beautiful, mistake-free email campaigns without hearing a word from your peers, but the second you send a blast with a typo or an incorrect date (there is no February 30th!), they can’t wait to chime in. I love my colleagues, but I’m not sure they understand the plight of the email marketer. While feeling sorry for myself recently, I started reminiscing about campaigns gone bad, and decided sharing some of my email marketing blunders so you can avoid the mistakes that have

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Helping DonorsChoose.org Crowdfund School Projects

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With the holiday season upon us, we wanted to highlight one of the great non-profit organizations that chooses to send their email through SendGrid. DonorsChoose.org is an online charity that helps people find and then help fund school projects they would like to support. DonorsChoose.org pioneered the idea of crowdfunding for charity in April 2000. Today, nearly 66,000 schools participate in sharing classroom projects that need additional support from donors. How DonorsChoose.org Works Teachers from all over the country can post projects on DonorsChoose.org that need to be funded. Types of projects can include: Field trips Books Team sports Art

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SendGrid and the Return to Work Program

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The following post is from People Operations Generalist, Emily Staebell, and Corporate Recruiter, Margho Dunahoo-Kirsch, who help manage the Return to Work program at SendGrid. In support of SendGrid’s commitment to diversity and inclusion, they share details of the program and its participants below.  Return to Work Here at SendGrid, we are always striving to think of the next out of the box idea to hire the best of the best for our company. Opportunity came knocking on SendGrid’s door when we were invited to participate in the third wave of Return Path’s Return to Work (ReturnShip) program this fall. The pivotal

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Diversity and Inclusion at SendGrid | Past, Present, and Future

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It has been approximately one year since we publicly released our diversity and inclusion figures and strategy. Joining other progressive tech companies, we view diversity as a key driver of our company’s success. We also feel it is important to be transparent and shine the light on the ongoing efforts needed to be a more diverse and inclusive organization and industry. Today, we would like to update our statistics, progress, and share an evolved plan. By the Numbers Let’s take a glance into our diversity figures and compare year over year. First, some quick context on how we categorize tech

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