Email Deliverability
Why Outlook Breaks HTML Emails And How to Fix It
Written by Tanya Tarasenko
Outlook has a special reputation in the email world, and not always a flattering one. An email that looks clean in Gmail, Apple Mail, or mobile inboxes can suddenly break in Outlook: buttons shift, spacing disappears, fonts change, images resize strangely, or mysterious white lines appear between sections.
How Often to Test Email Deliverability for Better Inbox Placement
Written by Tanya Tarasenko
Email marketers spend a lot of time improving subject lines, refining copy, designing templates, and building automations. But none of those efforts matter if your emails fail to reach the inbox.
Email Deliverability Rules Every Sender Must Follow
Written by Tanya Tarasenko
Email deliverability is one of those things that looks simple until it doesn’t. You can have a strong copy, a polished design, and a great offer, but if your emails land in spam, none of it matters.
From my experience working with email campaigns and deliverability analysis, the biggest misconception is that deliverability is purely technical, it’s not. It’s a balance between infrastructure, behavior, and trust. In this guide, I’ll break down the core email deliverability rules in detail.
Inbox Placement in Email Marketing: Everything You Need to Know
Written by Tanya Tarasenko
You can have a perfect subject line, compelling copy, and a strong offer, but if your email lands in spam, none of it matters. This is why inbox placement has become one of the most critical concepts in email marketing. It goes beyond simple delivery and answers a much more important question: Did your email actually reach the user where they can see it?
Best Email Marketing Tools for Beginners: Easy Platforms to Start With
Written by Tanya Tarasenko
Email marketing remains one of the most reliable and cost-effective digital marketing channels. For beginners, however, the biggest challenge is choosing the right tool. Some platforms are overloaded with features that are difficult to understand at first, while others lack the capabilities needed to grow your campaigns later.
Best Email Marketing Tools for B2B Companies: Automation, Deliverability & CRM
Written by Tanya Tarasenko
Email marketing continues to be one of the most reliable communication channels in the B2B environment. Despite the rise of social media and messaging platforms, email remains the backbone of lead nurturing, product announcements, onboarding campaigns, and long-term customer engagement.
Best Budget Email Marketing Tools for Growing and Small Businesses
Written by Tanya Tarasenko
Choosing the right email marketing software can be surprisingly difficult, especially when you’re trying to balance features, pricing, and long-term scalability. From my experience, one thing is clear: the most expensive tools aren’t always the best choice.
Email Sandboxing Explained: How It Protects Your Inbox from Malware and Phishing
Written by Tanya Tarasenko
Every day, organizations receive thousands of emails containing attachments, links, and embedded scripts. While most of them are harmless, some hide sophisticated malware designed to bypass traditional security filters. Over the years working in email deliverability, I’ve noticed that standard spam filters alone are no longer enough to stop advanced threats. Attackers continuously evolve their techniques, creating malicious files that look legitimate and evade conventional detection.
Is Your Domain Listed on SURBL? Here’s How to Remove It
Written by Tanya Tarasenko
If you work in email marketing or manage outbound infrastructure, sooner or later you’ll run into a blacklist issue. One name that often raises questions is SURBL.
Over the years, I’ve seen how confusion around SURBL leads to panic: “My IP is blacklisted!” In reality, SURBL works a bit differently than many traditional DNSBLs. In this article, we’ll talk about what SURBL actually is, how it works, how to check whether you’re affected, and how to fix the issue in four clear steps.
Return Path Email Header Explained
Written by Julia G
When a recipient’s mail server rejects an inbound email, where does that message go? Does it just disappear or does it go back to the sender?