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.

Browser Testing – All Email Clients are NOT Created Equal

Posted on (0 Comments)

Even a novice email marketer knows how critical testing is to their success. But when we think of testing, what comes to mind is typically an A/B or multivariate test, designed to give the marketer insight into what subject line, from address, or call to action most resonates with their recipient. This type of testing is critical, certainly, but an all-too-often overlooked type of test is browser testing. In this post, I’ll cover some top tips for testing your email across browsers, clients, and devices, and how you should implement them. Tips for Successful Browser Testing Test your campaign before

READ MORE »

What You Need to Know About List-Unsubscribe

Posted on (0 Comments)

Whenever we see changes in the world of deliverability and compliance, we want to make sure people are aware of it. Recently, some changes were made to List-Unsubscribe features, and we thought it was a great opportunity to re-visit the subject. List-unsubscribe is an x-header that allows end-recipients the ability to be removed from a mailing list without clicking the unsubscribe link or hitting the spam/junk button. It was created so consumers who were scared of clicking the unsubscribe link would have an alternate way to opt-out of receiving email that wouldn’t affect the senders reputation. List-unsubscribe is used by

READ MORE »

The Top 5 Code Challenge Posts from the 15 Day Code Challenge

Posted on (0 Comments)

Toward the end of 2014, one of our great developer evangelists, Kunal Batra, took on the challenge of learning 15 new technologies and blogging about them in a Code Challenge series. The Code Challenge series was a great way for Kunal to experiment with new technologies and provide readers with some great new tools and introductions to software they may have been unaware of. Now that some time has passed since his last post in January, we’re looking back on the most popular Code Challenge blogs. Below are the top five posts based on number of visits: 5 – Learning

READ MORE »

4 Tips for Providing Successful Email Support

Posted on (0 Comments)

SendGrid may be known for having an amazing support team, but how it achieves this competitive advantage may not be so obvious. I joined SendGrid about 6 months ago. Prior to this, I was leading technical support teams for some very large tech corporations. I know that some companies can spend more effort analyzing their service than they do delivering it. SendGrid’s got a world-class team and the secret sauce is really simple. I’ve broken it down to 4 primary elements: 1) Start by hiring tech savvy, customer service biased, smart people. We’ve had a lot of success bringing in

READ MORE »

Leveraging Local Communication Channels with Balihoo, SendGrid, and Twilio

Posted on (0 Comments)

When it comes to helping national brands like Geico, New Balance, and Ace Hardware leverage the power of local marketing, Balihoo knows that local, targeted email and local phone numbers for people to call are the best tools to use. Balihoo is a local marketing automation company that helps national brands execute marketing campaigns. Their platform provides brands with local communication channels like local websites, search engine marketing, and direct mail. To help them drive email and local phone solutions, they’ve been using SendGrid and Twilio. SendGrid Balihoo is a Marketing Solutions Partner at SendGrid–they’ve integrated their marketing platform with SendGrid’s

READ MORE »

5 Ways to Check Your Sending Reputation

Posted on (0 Comments)

We always stress the importance of a strong sending reputation. By keeping an eye on your engagement (opens, clicks TiNs, etc.) and reputation (spam complaints, spam traps, unknown users, etc.) metrics you’ll get a good picture of how your emails are being received by subscribers. But if you’re looking for another measure of your reputation, you can take advantage of a handful of resources that will let you know where you stand. Here are 5 sites that will help you check your sending reputation and keep you on track: SenderScore.org Like a credit score, a Sender Score is a measure

READ MORE »

Email Marketing: Content 101

Posted on (0 Comments)

Have you ever received a marketing email that you were excited to open, but once you clicked through to read the content it just fell flat? The copy didn’t register or the images felt out of place? I know I have. When I find an intriguing site and opt-in to receive their email newsletters, I expect the email experience to be similar to their site and when it doesn’t, it’s disappointing! The success of an email marketing program can live and die with its content. In our latest SlideShare, we review the basics of both written and visual email marketing content.

READ MORE »