The Deliverable Diary

Email is a part of your daily working life. You’ve heard of an SMTP provider, but do you need one? Oh, yes! What is SMTP? SMTP stands for Simple Mail Transfer Protocol and it’s the process that happens each time you send an email. Check out this infographic “How Email Works (Made Simple)” for more […]

Few things are more frustrating than the 550 error message – besides, possibly, a broken coffee machine! Let’s dig into what this cryptic message means and how you can resolve it. 550 Error, What?! You will often see a 550 error accompanied by a small (yet arguably mystifying) message, such as “administrative prohibition” or “relay […]

Sending email with SMTP2GO is a piece of cake but, occasionally, it can go wrong… In this post, we take a look at how to investigate and troubleshoot email delivery issues in your SMTP2GO account, helping ensure the best delivery rates. Email delivery issues: how to troubleshoot Log in to your SMTP2GO account, go to […]

If you’re a high-volume sender (5K+ subscribers) and have been sending gradually and frequently to your subscribers while your list has grown, you can happily skip this post. However, if your list of subscribers is over 5K and you find yourself in one of the following situations, you may want to keep reading to ensure […]

Falling into the right tab is never just a happy accident. It takes a few purposeful actions to work your way into the Primary folder, and we’re here to help you do it. If you’d rather not fall into the pit of Promotions, see our handy tips below. Gmail (and beyond) have initiated a way […]

Today we’re going to take an in-depth look at DomainKeys Identified Mail (DKIM), and how it can help maintain brand reputation and improve email deliverability. What’s a DKIM record for and how does it protect you? DKIM has a very important job when it comes to email security and it’s to ensure an email has […]