Resources

Guides, product updates, case studies and research from the Mailyser team

A practical guide to setting up DMARC & SPF

Complete Guide to Protecting Your Domain from Email Spoofing & Phishing

Correct DNS Setup — The Foundation of Email Deliverability

If email deliverability is a house, DNS is the foundation.Without it, everything else—warm-up, content, engagement—crumbles.You could have the best content, a fully warmed IP, and squeaky-clean data, but if your DNS isn’t configured correctly, your emails will never reliably reach the inbox. Worse, they might not get delivered at all.Think of DNS as your passport to the inbox. Without SPF, DKIM, DMARC, and reverse DNS, you’re an unverified stranger knocking on your subscribers’ doors.

Blog

Sending to Microsoft - What's Changed?

As of May 5, 2025, Microsoft has started actively rejecting emails from high-volume senders that don’t meet their new authentication requirements. This aligns with recent moves from Google and Yahoo, making these standards the new norm across inbox providers.If you’re sending more than 5,000 emails per day to Microsoft consumer domains (like @outlook.com, @hotmail.com, @live.com), you must comply — or your emails may bounce completely.

Blog

Guides to help you use Mailyser

A practical guide to setting up DMARC & SPF

Complete Guide to Protecting Your Domain from Email Spoofing & Phishing

Guide

Getting Started with Email Marketing Deliverability: A Beginner’s Guide to Inbox Success

Email marketing deliverability is a fundamental component that can make or break the success of your campaigns, ensuring that your messages reach the inbox and not the spam folder. For beginners stepping into the world of email marketing, understanding deliverability can seem daunting, but it's essential for connecting with your audience effectively. This guide will walk you through the basics, from selecting a dependable email service provider and setting up your domain authentication to optimizing email segmentation and design best practices. We'll also explore how to craft compelling email content that fosters subscriber engagement and leverage email analytics to monitor deliverability rates. By mastering these foundational strategies, you'll be well on your way to achieving inbox success and building a strong, engaged subscriber base.

Guide