The Deliverable Diary

You hit Send. The message slid into the Outbox. Then it just sat there. This is one of the oldest, most frustrating bugs in email. We’ve been fixing it for customers since 2006, and the honest truth is that most of the “10 ways to fix Outlook outbox” articles online treat the symptom and skip […]

We are thrilled to announce that SMTP2GO has been ranked as the #1 best free SMTP server by EmailToolTester for 2026 (3 years in a row now!). This recognition highlights our commitment to providing reliable, efficient and user-friendly email delivery solutions. Check out the full article.  What EmailToolTester Had to Say About Us EmailToolTester recently […]

If you landed here looking for SMTP2GO’s SPF settings, here’s the short version: SMTP2GO handles your SPF for you through a CNAME record on your sender domain, not a traditional TXT include. Add the CNAMEs we provide on your Verified Senders page, and SPF (and DKIM) authenticate automatically. We unpack why a little further down. […]

Every year on 8 March, for the past 115 years, the world celebrates women everywhere. But International Women’s Day is more than a date on the calendar – it’s a movement, a reminder that gender equality benefits everyone. This year’s theme, Give To Gain, invites us to think differently about support and progress. Instead of […]

Email marketing has been declared dead more times than anyone can count. In 2026, it’s still here, still cost-effective, and still the highest-ROI channel most marketing teams have. What’s changed is that the bar to make it work has moved up. Inbox providers are stricter. AI is filtering, summarizing, and ranking your emails before subscribers […]

The National Health Service (NHS) is one of the most cherished and respected institutions in the UK. It provides free health care to millions of people every day and employs almost two million staff across various sectors and roles. So, who are NHS Providers? NHS Providers – one of our valued customers – is the […]