Articles by Warren Duff

Warren is the Content Marketing Manager at SendGrid, specializing in email and content best practices, targeted content generation, and editing blogs, case studies, and guides.

The Best Marketing Email I’ve Received in 2016

Email Marketing

Spoiler alert: The best marketing email I’ve received in 2016 is not even a marketing email…and it went to my “Updates” tab in Gmail. So how does that happen? How does an email that’s technically a receipt, end up adding more value to me than a promotion or discount? How does a company drive more revenue simply by telling you about the money you just gave them? Jacob Hansen recently wrote What Makes an Email Transactional or Promotional. This post will explore the idea of adding value to your transactional messages. Some Background Last Sunday, it snowed here in Denver and I was left with the choice of going out for a cold bike ride or heading to a new spinRead More ›

SendGrid is Now Available in Google Cloud Launcher

Community, Partnerships

SendGrid is happy to announce its availability in Google Cloud Launcher, a marketplace that enables Google Cloud Platform users to explore, launch, and manage powerful solutions and services. Google Cloud Platform offers computing, storage, and application services for your web, mobile, and backend solutions. Google Cloud Platform and SendGrid have collaborated for a number of years, but this update provides customers with easier access to leverage SendGrid. Why Join Google Cloud Launcher Email continues to be one of the most effective ways for organizations to communicate with their users or customers. From an ROI perspective, each $1 invested in email returns an average of $38 in revenue. We’re happy to provide an easy email integration for Google Cloud Platform users.Read More ›

What Should Be Your #1 Focus To Achieve Great Email Deliverability? Our Experts Weigh In.

Best Practices
email deliverability

Last week, we published our post 5 Deliverability Tips from SendGrid Experts. Today, we have a continuation of that post, and a few more takeaways from Luke Martinez, Deliverability Consultant, and Taylor Ferguson, Associate Delivery Consultant. Below, Luke and Taylor talk about what they think companies should focus on when it comes to email deliverability, and some of the changes coming to email in the future. SendGrid views great deliverability as a holistic thing that’s achieved by implementing a lot of different tactics. BUT, if a company had to choose, what should it focus on first and foremost? Luke Martinez – I’m going to cheat and give you two things: address collection and list management. Address collection When you add an addressRead More ›

5 Email Deliverability Tips from SendGrid Experts

Best Practices
email deliverability
We recently published SendGrid’s 2016 Email Deliverability Guide that was written by two of our in-house Delivery Consultants: Luke Martinez and Taylor Ferguson. If you haven’t read it yet, make sure you check it out. In this post, they’ve answered a few questions about common email misconceptions and what they look at when evaluating customer email programs: Read More ›

SendGrid’s 2016 Email Deliverability Guide

Best Practices
2016 Email Deliverability Guide

Whether it’s transactional or marketing email, or if you’re sending 100 or 100 million emails a month, making sure your messages are getting to your recipients is essential for any business. SendGrid’s Email Deliverability Guide has always been the best resource for improving deliverability, and we’ve improved it for 2016. ReturnPath’s 2015 Deliverability Benchmark Report recently stated that 21% of all legitimate, wanted emails go missing or end up in the spam folder. We want to make sure that isn’t happening to your messages. For SendGrid’s 2016 Email Deliverability Guide, we worked with our internal Delivery Consultants, Luke Martinez and Taylor Ferguson to refresh content, provide new insights, and provide you with key steps you can take to improve yourRead More ›

Email Click Delays, Unsubscribes, and Engagement Rates: How Are They Affected By the Holidays?


One of our data scientists, Victor Amin, has been diving into the email data that we collected during Black Friday and Cyber Monday. A couple weeks ago, we took a look at how email engagement was affected by including discount percentages in subject lines. Today, we’re looking at how long it takes for recipients to click on emails and how unsubscribes relate to engagement. While the following insights were developed by using really specific dates around Black Friday and Cyber Monday, we were able to look at over 3 billion marketing emails to develop the insights below. Click Delays Click delay could also be referred to as “time-to-click,” and the concept refers to how long it takes for recipients toRead More ›

Customer Spotlight: Bandsintown


At its core, Bandsintown enriches lives by connecting fans with the artists they love. Through the Bandsintown Concerts app, users are able to track artists they love to listen to, and see when they’re coming to town and where they’re performing. Today, over 20 million music lovers have registered with Bandsintown to track their favorite artists and learn about upcoming live performances in their areas. Currently, Bandsintown sends almost 50 million emails each month to their various recipients. While Bandsintown communicates with customers via push, SMS, and email messages, they’ve embraced email as their core communication channel. Bandsintown uses SendGrid to send users transactional emails about their account settings, as well as marketing emails that inform fans about the artistsRead More ›

Learning From Black Friday and Cyber Monday: Discounts in Your Subject Lines

Best Practices
Chart of engagement with subject lines that have discounts.

According to The Washington Post, email marketing drove 25% of all online sales on Black Friday. Meanwhile, PracticalEcommerce is reporting that email advertisements accounted for 22% of Cyber Monday orders. Even though Black Friday and Cyber Monday happened a couple months ago, SendGrid’s Data Scientist, Victor Amin, has been looking at the marketing email SendGrid delivered during the largest shopping days of 2015. By analyzing the subject lines and delivery metrics of the marketing email we sent, we’ve come up with some great insights for email marketers, regardless of the time of year. In this post, we’re looking into discounts in subject lines. One of the tactics used to increase engagement is including the sale amount, or percentage discounted, inRead More ›

The Benefits of Email Marketing in 2016

Email Marketing
benefits of email marketing

At this point, email is a form of communication that’s largely taken for granted. With more communication channels and social media sites than ever before, it seems easy to discount email as an outdated method of reaching users and customers. The fact is, this idea couldn’t be further from the truth. Despite the popularity of other types of communication, email marketing is still a cornerstone of any successful business, whether the organization is a mom and pop shop or a multi-million dollar corporation. But why is email so important? Why is it a marketing strategy that you need to take advantage of? Below, I’ve compiled some of the biggest reasons email marketing is crucial to the success of your businessRead More ›

Helping Crowdfund School Projects


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. is an online charity that helps people find and then help fund school projects they would like to support. 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 Works Teachers from all over the country can post projects on that need to be funded. Types of projects can include: Field trips Books Team sports Art supplies Math supplies In addition to choosing the project type, donors can choose the location of the project, allowing themRead More ›

Black Friday and Cyber Monday: Email Subject Line Insights

Best Practices

We provided some volume and engagement data and insights earlier in the week in our post, Black Friday and Cyber Monday – Using Data to Gain Email Insights. Today, we’re expanding on that data with some email subject line analysis. SendGrid’s Victor Amin, Data Scientist, looked at data from Black Friday and Cyber Monday in 2014 to see if there are any takeaways for senders. Below, we’ve provided some of the plots we think are interesting about subject line wording. You can find some potential takeaways at the end. Subject Line Wording In addition to the volume, engagement, and usage data we gathered originally, we wanted to see if there were particular words that occurred more often around Black Friday andRead More ›