Articles by Jillian Wohlfarth

As SendGrid's Director of Content, Jillian is responsible for ensuring that SendGrid provides valuable thought leadership content through the blog, whitepapers, webcasts, case studies, and more. An editor and writer by trade, Jillian considers The Chicago Manual of Style one of her favorite reads.

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SendGrid Releases Study On Email Engagement and Subject Line Data

Best Practices
global email stats

To commemorate the 33rd anniversary of the invention of email, Aaron Beach and Victor Amin from our Big Data team revealed the results of a study on global email engagement and email subject line analysis. With high engagement rates being every sender’s goal, knowing what devices are most popular for interacting with email and what content is resonating most with Read more ›

4 Factors that Affect Email Deliverability

Best Practices
email deliverability tips

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 Read more ›

A Q&A With SendGrid’s Delivery Experts

Best Practices
email deliverability

I love working in email because there’s always something new to learn. But sometimes with all of the protocols, stats, and new laws and regulations (like CASL and the Russian Data Localization Law) it can all feel a little technical. Recently, I’ve seen a lot of delivery and inboxing stats shared in the industry that haven’t had a lot of context or explanation as Read more ›

SMTP and Email Deliverability

Best Practices
email deliverability

The following is part of series of guest posts from Windows IT Pro that takes an in-depth look at SMTP. Last week we shared the first in a series of posts on the history of Simple Mail Transfer Protocol (SMTP) from our friends at Windows IT Pro. The first post explained the origins of SMTP and how it’s influenced how Read more ›

SMTP and the Evolution of Email

Best Practices, Technical

We worked with our friends at Windows IT Pro to take an in-depth look at the history of Simple Mail Transfer Protocol (SMTP). The following is a guest post from their team that covers the origins of SMTP, the evolution of email, and what SMTP does, and doesn’t do. SMTP Defined The Simple Mail Transfer Protocol (SMTP) has a name Read more ›

Resending Email: Good Idea or Terrible Idea?

Best Practices
resend email

In the fall, we were intrigued by an article on that discusses the value of resending emails to recipients who didn’t open your email the first time. It created some nice discussion in our office, so we turned to our friends at Windows IT Pro, and they helped put some of our thoughts to paper (so to speak!) below: The Findings The article Read more ›

5 Ways to Check Your Sending Reputation

Best Practices
email best practice

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 Read more ›

12 Days of Holiday Sending: Listen To Your Subscribers

Best Practices
holiday email sending

For our eighth day of our 12 Days of Holiday Sending series, we’re closing out our “Subscribers” section with a reminder to listen to what your subscribers want. If you’re noticing that your subscribers are not engaging (clicking, opening, sharing, replying) with your emails, or even worse, if you’re seeing lots of unsubscribes or spam complaints, it’s time to take Read more ›