The Deliverable Diary

For maximum email delivery rates and better branding, we require adding verified senders. Adding verified senders to your account means that SPF and DKIM are automatically handled by us. To be allowed to send through your account you must send from a verified sender. We offer two options to achieve this that include verifying your sender […]

Missing emails: the eternal mystery. You know you sent it, but they’re saying they’ve not received it. It’s a story as old as, err, email! But how to prove the email’s been sent and stop getting stuck in the ‘I sent it/I didn’t get it’ loop?  If you have a recipient telling you that they […]

When it comes to ticket requests, we like to take a pre-emptive strike approach, anticipating problems before they begin. Our dedicated, award-winning support team is happy to receive your inquiries and questions but you know what they enjoy even more? Giving you the tools and strategies that will help you empower yourself and take ownership […]

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 […]

Email is crucial for business, but needs may vary from company to company, and person to person, which is why there are many different ways you can integrate with SMTP2GO.  So let’s go through them… Classic SMTP Connect using the SMTP protocol and send email directly from your email application. This is the most common […]

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 […]