The Hidden Cost of Poor Email Deliverability
Poor email deliverability costs agencies more than they realise. See how SMTP2GO helps protect every email you send.
Email Delivery & Tips
Practical advice on improving email deliverability, avoiding spam filters, and getting more messages into the inbox. We share tips, explanations, and best practices drawn from real-world sending.
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Emails Stuck in Your Outbox? A Real Diagnosis (and How to Fix It Fast)
You hit Send. The message slid into the Outbox. Then it just sat there.
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SPF Records Explained: How They Work and How to Set Up Yours (Including With SMTP2GO)
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....
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Email Marketing Strategies for 2026: A Practical Guide to What Actually Works
Discover the top email marketing strategies for 2026. Learn how to build smarter campaigns, engage subscribers, and improve automation and deliverability for maximum ROI.
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Email Delivery Errors and SMTP Codes: What They Mean and How to Fix Them
You hit send. The recipient never gets it. Back comes a wall of text with something like 550 5.7.26 buried in it, and now you have to figure out which part to actually read.
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Reaching Donors’ Inboxes: A 2026 Guide to Nonprofit Email Deliverability
A guide for nonprofits to improve email deliverability, reach donors’ inboxes, and boost engagement and fundraising results.
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Out of Office Message Examples: 22 Copy-Paste Templates for Every Scenario
You came here for templates. They’re below. But first, the safest default for most people:
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Hard Bounce vs Soft Bounce: What They Mean and How to Fix Them
You sent the email. The recipient never got it. Now your dashboard says “hard bounce” or “soft bounce” or, if you’re an SMTP2GO user, possibly “rejected.” Three different statuses, three different causes, three different things you should do about them.
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Email Headers: What They Are and Why We Ask For Them
What are email headers? Are they dangerous to share? And why do we ask to see them instead of just reading the email itself?
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SMTP2GO Sending Limits: The Complete Reference
We believe in being limitless wherever we can. But every email service worth trusting has a few guardrails in place, and ours exist for a single reason: to protect the deliverability of every sender on our network.
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Is Your Santa Letter GDPR Compliant?
Data minimisation? Profiling? Check your child's Santa letter for GDPR compliance! Avoid breaches and guarantee delivery with SMTP2GO.
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How to Escape an Email Blocklist
The intention behind email blocklists is honorable: they’re there to keep our inboxes safe from spam. If you find your domain name or IP address added to one, however, it could seriously harm your deliverability (and make you break down and sob!) BUT it’s not all bad. Learn more about email blocklists and, most importantly,...
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Choosing the Right Mailing List Software
If you’ve ever tried to send a big batch of emails using Outlook, Apple Mail, Thunderbird - or any other standard email app - you already know the struggle! These tools are great for everyday communication - but when it comes to sending to large groups, automations, or personalized campaigns, they simply aren’t built for...
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Increase Engagement with Interactive Emails
If you’re a marketer, you know the challenge: getting subscribers to open your emails is one thing, but keeping them engaged once they do is another. Enter interactive emails, a proven way to capture attention, drive clicks, and boost overall engagement.
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Email Scrubbing: Why A Clean Mailing List Is Key
Sick of us going on and on about the importance of a clean mailing list? If you are cleaning your mailing list on a regular basis, feel free to pat yourself on the back and close this tab. If not, read on to find out why it’s SO important, and how you’ll need to go...
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Emailing for the Spooky Season
October is here, and with it come cobweb-covered inboxes, pumpkin-spiced promotions, and more opportunities than you can shake a broomstick at. According to the National Retail Federation (NRF), Halloween spending is expected to reach a record-breaking $13.1 billion this year.
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The Bounce Rate Survival Guide
You want your business in the stratosphere - not your bounce rate! If your bounce rate is starting to look like your frequent flyer miles, don’t panic. Let’s bring things back down to earth and talk about how to get your email campaigns on solid ground again.
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M365: Microsoft Delays Email Security Change Until March 2026
Microsoft has announced a delay in one of its planned email security changes. If your organization uses Microsoft 365 (formerly Office 365) to send emails from printers, scanners or older apps, this update matters to you.
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How to Get SMS Opt-In Right for a Dedicated Toll-Free Number
If your business plans to send SMS messages using a dedicated toll-free number, you’ll need to show that the people you message have knowingly agreed to receive texts from you.
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Why You Should Rethink URL Shorteners in Emails
When it comes to email, aesthetics matter but reputation and deliverability matter more. URL shorteners may have been your go-to for creating sleek, tidy messages, but they could be quietly sabotaging your campaigns. Here’s why shortened URLs aren’t always the best choice - and what to use instead.
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Inbox, Not Spam: A Guide to Solving Email Delivery Issues with SMTP2GO
Sending email with SMTP2GO is a piece of cake. But occasionally, things can go wrong, emails might not reach the inbox, or at all. For businesses, undelivered emails aren’t just annoying; they can damage relationships and hinder operations. In fact, one company discovered that their previous email provider’s poor sender reputation caused messages to vanish...
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