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Email Deliverability

How to Pass the Yahoo Mail Spam Filter: Strategies to Reach the Inbox

Written by Tanya Tarasenko

Email deliverability is a constant battle for marketers and businesses. Even if your message is legitimate, beautifully written, and full of value, Yahoo’s advanced filtering systems can still flag it as spam. Understanding how the Yahoo Mail spam filter works and learning how to work with it instead of against it is essential to keeping your messages out of the Yahoo spam folder and safely in your subscribers’ inboxes.

Yahoo Insights: Measure Your Email Delivery Performance with Ease

Written by Julia G

Along with enforcing their sender requirements, inbox providers continue improving the client experience by offering new tools at their disposal. Senders can already get valuable domain metrics in Google Postmaster and verify email traffic coming from their dedicated IP in a Microsoft Smart Network Data Services report. And recently, at the end of October 2025, Yahoo introduced a new portal for email senders – Insights.

ARC Email Authentication Explained: How the Authenticated Received Chain Protects Forwarded Emails

Written by Tanya Tarasenko

Email authentication keeps evolving, and as forwarding, routing, and mailing-list activity grow, traditional mechanisms like SPF and DKIM struggle to preserve authentication results. This is where ARC (Authenticated Received Chain) steps in. ARC helps receivers understand whether an email was originally legitimate, even if it passed through multiple intermediaries.

Why Forwarding Emails Breaks Formatting and Causes Duplication (and How to Fix It)

Written by Tanya Tarasenko

Forwarding an email seems like one of the simplest actions you can take in your inbox. Just click Forward, add a recipient, and hit Send. But beneath that familiar action lies a surprisingly complex process involving HTML code, authentication headers, and multiple server interactions. This process can easily distort your email’s layout, create duplicates, or harm your deliverability without you realizing it.

Email Deliverability Statistics: Significant Changes for Gmail and Outlook in Q3 2025

Written by Julia G

We continue the analysis of the tests made in GlockApps and we are ready to present the statistics for Quarter 3 2025. How did deliverability change for different senders and Inbox providers? Does a monthly email volume still matter? Let’s examine together.

Apple Branded Mail Setup Explained: Secure Your Domain and Boost Trust with DMARC

Written by Tanya Tarasenko

In the world of email deliverability and brand trust, seeing your logo next to your email in a recipient’s inbox is powerful. With the Apple Business Connect branded-mail feature, your business can display its verified logo alongside emails sent to users of the Apple Mail client. This elevates brand recognition, builds trust, and requires strong email authentication, especially a correct implementation of DMARC.

Email Hacked and Sending Spam? Recover Your Account and Restore Trust

Written by Tanya Tarasenko

Our email inbox often acts as the hub of our online lives: financial alerts, social accounts, work communications, and personal correspondence. When your email account is compromised (or worse, a hacker takes control and it begins sending spam), the damage can ripple far beyond just that one service. It can impact your identity, finances, professional reputation, and the trust of your contacts.

Cyber Security Awareness Month: Is Your Domain Protected from Threats?

Written by Tanya Tarasenko

Every October, the world comes together to observe Cyber Security Awareness Month — a global initiative aimed at promoting stronger cybersecurity awareness and empowering individuals and organizations to protect their digital lives. In an era defined by constant connectivity, social engineering scams, and rising ransomware attacks, this month serves as a vital reminder: security awareness is essential.

How to Spot a Phishing Email: 5 Clear Warning Signs

Written by Tanya Tarasenko

In an age where cyberattacks are becoming more creative and targeted, understanding the signs of phishing email attempts is essential. Scammers often masquerade as trusted services, financial institutions, or colleagues, hoping to trick people into giving up sensitive data like login credentials, financial information, or personal identity details. Recognizing phishing warning signs early can save you from serious security breaches. In this article, we explore 5 warning signs of a phishing email that you can use as a checklist to protect yourself.

What Is Business Email Compromise (BEC)? Meaning, Examples, and Protection Tips

Written by Tanya Tarasenko

Cybercriminals no longer rely solely on malware or mass phishing campaigns to make profits. Instead, they have embraced a more subtle and devastating technique: Business Email Compromise (BEC). Unlike traditional cyberattacks, BEC exploits human psychology, trust, and routine business processes rather than technical flaws.