Spam Sign-ups Explained: Protect Your Email List and Deliverability

Written by Tanya Tarasenko

Email marketing success starts with one thing: a healthy, high-quality email list. But what happens when that list becomes contaminated with fake subscribers, bots, or malicious sign-ups?

That’s where spam sign-ups come in, and they’re one of the most dangerous (and underestimated) threats to your deliverability, sender reputation, and campaign performance.

Email Throttling Explained: Why It Happens and How to Prevent It

Written by Tanya Tarasenko

Email deliverability challenges are not always caused by spam filters or technical errors. In many cases, messages fail to arrive on time simply because they are being slowed down by the receiving server. This process is known as email throttling, and it is one of the most common reasons email campaigns experience unexpected delivery delays.

How to Test Transactional Email Deliverability

Written by Julia G

A transactional email is an automated email message triggered by a specific user behaviour on a website or in an application. Examples of transactional emails include account registration confirmations, password resets, subscription confirmations, welcome emails, billing information updates, etc. 

Email Deliverability Statistics: See How Inbox Rates Increased for High-Volume Senders in Q4 2025

Written by Julia G

Did companies see a continuous improvement of the Inbox rate for Microsoft in Q4 2025? Did Google continue to filter out more emails to Spam? Did high volume senders still deliver more emails in the Inbox rather than senders with moderate volume? Examine our report to find it out.

Top Metrics for Evaluating Cybersecurity Health

Written by Tanya Tarasenko

Organizations face increasingly complex cyber threats. As cyberattacks grow in volume and sophistication, cybersecurity teams must go beyond basic defenses and measure their performance in meaningful ways. This is where cybersecurity metrics play a crucial role, they provide teams with measurable insights that guide decision-making, resource allocation, and risk reduction.

Why Alt Text Is an Important Element of Every Email You Send

Written by Tanya Tarasenko

Images can be the emotional core of an email campaign. They announce product launches, highlight seasonal promotions, create visual hierarchy, and reinforce your brand identity. But email is not a controlled environment like a website, it’s subject to the behavior of dozens of mailbox providers, device types, privacy features, and user preferences. Your carefully designed images may not load. Your subscribers may have images blocked. And millions of recipients around the world rely on screen readers or adaptive technologies to navigate content. This is why email alt text matters more than most marketers realize.

You Can Finally Change Your Gmail Address: Google’s New Update Explained

Written by Tanya Tarasenko

Google is preparing one of the most talked-about Gmail updates in years. One that could finally let users change their Gmail address without creating a new account. For millions of people who have been stuck with an old username since their teenage years, this is big news.

Yahoo Sender Hub vs Google Postmaster Tools: Which Platform Gives You the Clearer Deliverability Insights?

Written by Tanya Tarasenko

If you’re serious about email deliverability, your sending domain’s reputation with mailbox providers is everything. And two of the most influential players, Yahoo and Google, now offer their own dashboards to help senders understand how inbox providers evaluate their emails.

For years, Google Postmaster Tools was the gold standard for reputation insights. Recently, Yahoo entered the arena with Yahoo Sender Hub, a modern platform that offers enhanced, sender-friendly analytics and authentication visibility.

Gmail vs Yahoo Mail: Features, Security, and Deliverability Compared

Written by Tanya Tarasenko

Choosing an email provider today is about much more than sending and receiving messages. Email platforms have evolved into complex ecosystems of cloud storage, productivity tools, AI features, and security layers. Two of the biggest giants, Yahoo Mail and Gmail, continue to dominate this landscape, yet they offer distinctly different user experiences, priorities, and strengths.

Mailchimp Cleaned Email Meaning: What It Is, Why It Happens, and What to Do Next

Written by Tanya Tarasenko

If you use Mailchimp for your email marketing, you’ve probably noticed the label “Cleaned” next to some of your contacts, often at the most unexpected moment. It usually appears right after sending a campaign, importing a new list, or reconnecting with an old audience. And the confusion is universal: Does “cleaned” mean Mailchimp fixed the email, removed it, or is it simply broken?