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What Is an Email Header Understanding Its Purpose and How to View It in Outlook

Understanding email headers is one of the most necessary email marketing terms that can contribute to the improvement of your email deliverability and is crucial for effectively managing email campaigns

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Graphic with three rounded vertical bars in yellow, orange, and red on the left. Text on the right reads: Cracking the Code: Why emails land in the Gmail Promotions Tab 2025.

Cracking the Code: Why Emails Land in Gmail’s Promotions Tab

Once upon a time, Gmail’s inboxes were a mishmash of personal emails, work emails, transactional emails and so on. Then

Graphic with orange and red vertical rounded bars next to text: The Fastest Path to Yahoo Inboxes—Analyzing SMTP Providers for optimal Yahoo Inboxes delivery in 2025.

The Fastest Path to Yahoo Inboxes: Analyzing SMTP Providers for Optimal Delivery

The Warmy Research Team conducted an experiment to uncover which among different SMTP providers result in a faster delivery to
Choosing ESP (1)

Maximizing Your Email Campaigns: How to Choose the Right ESP

Do you run a business and find yourself struggling to craft effective email campaigns for your customers? Have you yet

Email Domain with a Tainted Reputation (1)

An Email Domain with a Tainted Reputation: What Should I Do?

Email has become a vital communication tool for individuals and businesses alike. However, when an email domain’s reputation becomes tainted,

Email Addresses Case Sensitive (1)

Unraveling the Mystery: Are Email Addresses Case Sensitive?

In the vast digital landscape of modern communication, email remains an indispensable tool connecting people across the globe. It serves

corporate email

The role of corporate email in business

Often underrated yet vital, corporate email serves as more than just a tool for exchanging messages – it is a

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Artificial intelligence (AI) in email marketing

Are you curious about the possibilities artificial intelligence (AI) and machine learning can bring to email marketing? With email artificial

localization in email newsletters (1)

Localization of email newsletters

In an era where global communication is more accessible than ever, businesses are recognizing the importance of speaking directly to

451 Temporary Local Problem (1)

‘451 Temporary Local Problem’ SMTP Error in Emails: Causes and Fixes

Within the large field of digital communication, SMTP – Simple Mail Transfer Protocol – stands as a fundamental cornerstone. Fundamentally,

Allegrow alternative

Allegrow alternative. Warmy vs Allegrow

Are you looking for an Allegrow alternative? Email deliverability is a critical component of any successful online marketing campaign and

Seedlisting in email marketing (1)

Understanding Seed listing Results with Warmy’s Seed listing Feature

Seedlisting tests are an invaluable tool for monitoring, evaluating and improving your email deliverability. Once you have conducted the tests

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Email Deliverability Audit from Warmy. Try it for free. 

If you’re looking for a dependable and reliable email deliverability audit, then you’ve come to the right place! Warmy’s Email

esps and isps

Conquering the Inbox: Leveraging ESPs and ISPs for Maximum Reach

The ability to effectively reach and engage customers through email is a critical element of modern business strategy. Central to

SaaS Sales Funnel

Cracking the Code: How to Create an Effective SaaS Sales Funnel

Have you ever found yourself scrolling through a website trying to find information, only to end up leaving without making

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