99 Popular Companies That Use Twilio SendGrid for Email Sending
Below is a list of companies that use Twilio SendGrid to send emails. The list is based on the volume of emails sent by each company using Twilio’s platform. We…
6 Key Email Security Protocols for Better Email Delivery
Below are six key email security protocols that email marketers should implement in their email systems. They help email service providers (ESPs) verify legitimate senders, protect your domain from impersonation,…
4 Downsides of Switching to Open-Source or Free Email Marketing Platforms
If you have ever considered switching to a free or open-source email marketing platform to reduce costs or improve deliverability, be aware that there are downsides and several core components…
Testing Google’s Email Verification Protocol (EVP): My Experience
I tested Google’s new Email Verification Protocol (EVP) to see what value it adds to our sign-up process. Instead of users submitting their email address, opening their inbox, and clicking…
How We Fixed SMTP Error Connection Refused (111)
We ran into this issue while trying to send emails through Amazon SES using SMTP. Instead of connecting to the SMTP server, our application returned the following error: SMTP ERROR:…
Why Emails Below 102 KB Limit Still Get Clipped in Gmail
If you send email campaigns and notice Gmail displaying a “View entire message” link, you might assume there is something wrong with your email marketing platform. It usually isn’t. Gmail…
DMARC Adoption and Email Authentication Statistics
DMARC adoption continued to grow rapidly through 2025, with more than 31.1 million valid DMARC records observed in DNS by the end of the year. While deployment reached record levels,…
15 Common Reasons why Emails Bounce or go to Spam Folder (with Solutions)
Based on our email monitoring bounce report, below are some of the common reasons why emails bounce and solutions to the problems. 1. Recipient does not exist Problem: The email…
Uber Eats Warning Email on Requests Made Outside its App
Regarding Additional Requests Outside the Uber Eats App Dear, Thank you for choosing Uber Eats. To ensure the safety and security of all users, Uber Eats prohibits requesting delivery partners…
Should You Delete Subscribers Using dont-reply.me domain?
If you arrived here, you may have received a few email subscribers with addresses from the domain “@dont-reply.me” or “do-not-respond.me.” dont-reply.me Email Subscribers Email subscribers from the dont-reply.me or do-not-respond.me…