The mySMTP DKIM Checker — Explained
A plain-language guide to what happens behind the scenes every time you look up a DKIM record.
What is the Best SMTP Port to Use for Sending Emails? Ports 25, 465, 587 and 2525 Explained
Most senders pick a port without understanding why it matters. The wrong choice can get your messages silently dropped, rejected by ISPs, or sent without encryption.
Microsoft Is Pulling the Plug on SMTP AUTH in Exchange — December 2026
Latest: New Timeline Announced Microsoft Is Pulling the Plug on SMTP AUTH in Exchange — December 2026 Back in August, we wrote a blog post about Microsoft’s plan to disable SMTP AUTH. Now the deadline is rapidly approaching. How to Keep Your Printers, Scanners, and Apps Connected Microsoft is officially phasing out Basic Authentication for SMTP […]
Part 3 – Sending Emails Too Fast Is the New Deliverability Problem
Sending Too Fast – The New Deliverability Problem Sending Too Fast The New Deliverability Problem of 2026 What Inbox Providers Are Watching ⚡ Emails per minute velocity 📈 Gradual ramp vs sudden burst 📊 Dormant to high volume shifts 🎯 Smooth vs spiky patterns Old vs New Warm-Up Strategy ❌ Old Approach (Outdated) Focus on […]
Part 2: Complying with the 75% of global email traffic controlled by MAGY
Part 2: Complying with the 75% of global email traffic controlled by MAGY In Part I, we explored how the MAGY providers (Microsoft, Apple, Gmail, and Yahoo) have reshaped the email marketing landscape with stricter rules around authentication, reputation, engagement, and list quality. These changes may feel overwhelming, but they also create opportunities for senders who adapt quickly. […]
Check if your SPF record is ready to send with mySMTP & SMTP.DK
Check if your SPF record is ready to send with mySMTP & SMTP.dk Introducing the mySMTP SPF Validator: We know how important it is to keep your emails landing safely in your recipients inboxes. That’s why we’ve created the mySMTP SPF Internal Validator – a simple, powerful tool to be used with mySMTP & SMTP.dk outgoing SMTP. With the […]
WHO IS MAGY? 75% of global email traffic controlled by MAGY
Who is MAGY? Who is MAGY? The MAGY Powerhouse Microsoft 400M+ Active Users Apple 58% Mobile Users Gmail 1.8B Active Users Yahoo 225M Active Users 75% of global email traffic controlled by MAGY New Requirements Overview Microsoft Requirements 5,000+ daily consumer message threshold Enhanced DMARC enforcement Zero tolerance for auth failures Increased IP reputation weighting […]
Email Campaign Privacy – What Marketers Need to Know (and Do)
Email Privacy: More Than a Checkbox Your email list is one of your most powerful marketing tools,but it comes with serious responsibilities. In today’s landscape of spam filters, privacy laws, and increasing consumer skepticism, how you collect, use, and protect subscriber data can directly impact your brand’s reputation and performance. This guide, powered by mySMTP, […]
2025 Email Compliance: New Rules from Big Email Providers
2025 Email Compliance:New Rules from Big Email Providers Email delivery is evolving—and fast. In 2025, major inbox providers like Microsoft (Outlook), Google (Gmail), and Yahoo are rolling out stricter requirements for bulk and business senders. If your emails don’t meet these new standards, you could find yourself buried in the spam folder—or blocked entirely. To […]
Spring into Email Success: Optimize Your email campaigns with mySMTP
Spring into Email Success: Optimize Your SMTP Mailings with mySMTP As the seasons change and spring arrives, it’s the perfect time to refresh your email marketing strategies. With increased activity and shifting engagement patterns, businesses can fine-tune their SMTP mailings for better results. mySMTP offers the tools and expertise to help you clean your email […]