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SORBS blacklist: How to Remove Your IP from It

Recently, there has been significant news regarding the SORBS Spam Blacklist service. As of June 2024, SORBS (Spam and Open Relay Blocking System) has officially ceased operations. This means that

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A muscular cartoon tiger wearing a black t-shirt with the warmy logo stands confidently next to text about email deliverability testing tools, metrics, and tips, on a white background with orange gridlines in the corner.

Email Deliverability Testing 101: Tools, Metrics & What You Should Be Looking For

The success of your email marketing efforts depends a great deal on your email deliverability. No matter how strong your

Illustration of an anthropomorphic tiger in a black warmy shirt with arms crossed, next to the text: Email Signature Best Practices for Cold Outreach Campaigns.

Email Signature Best Practices for Cold Outreach Campaigns

When it comes to cold email outreach, the devil is literally in the details. From the subject line to the

Email Security

Email security. How to protect your email from spam?

We wrote a lot about how to avoid the spam folder, and what steps you need to take to do

Cold Outreach

The Complete Step-by-Step Guide to Sending Cold Emails

If you’re trying to find new customers and leads, one of the simplest and most cost-effective strategies is cold mailing.

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The Art of Understanding Your B2B Target Audience: Key Strategies

“Your target audience is not just a statistic; they are the living, breathing soul of your business.” Maya Angelou Whether

B2B SaaS Lead Generation (1)

Mastering B2B SaaS Lead Generation: 10 Effective Strategies

Are you looking for effective strategies to generate leads for your B2B SaaS business? You’re in luck! In this blog

Spamhaus XBL Blacklist

Steps to Delist from Spamhaus XBL: A Comprehensive Guide

What is Spamhaus XBL The Spamhaus Exploits Block List (XBL) is an authoritative, real-time database that catalogs IP addresses associated

A hand interacts with a smartphone displaying an email interface, surrounded by a diverse group of businesspeople with digital elements and icons. These elements represent various communication methods, such as email and messaging.

14 Tips For Writing An Excellent Email Subject Line + Examples

A successful email campaign is essential to capture the attention of customers, and a strong subject line gives subscribers that

CTOR

How to increase Click to open rate (CTOR)?

Are you struggling with a low click-to-open rate (CTOR) in your email campaigns? You’re not alone – many email marketers

A man in a suit works on a laptop surrounded by digital graphics related to email deliverability. Multiple screens show charts, graphs, and network connections, emphasizing themes of technology and communication.

Email Deliverability Consultants & Experts [8+ Specialists]

Email deliverability emerges as a pivotal aspect in the realm of business, where its impact resonates directly with profitability and

SMTP

What is SMTP and how does the SMTP server work?

In the vast realm of digital communication, email has become an integral part of our lives. Whether it’s for personal

Business-Email-Subdomain-Stripping (1)

Business Email Subdomain Stripping: The Definitive Handbook

The minutiae of your online presence can speak volumes about your brand. One such detail, often overlooked, is the structure

Product-Hunt

A complete guide to launching a product on Product hunt.

Warmy.io presented our email deliverability service on Product Hunt. We want to share with you the features of launching a

A person at a desk monitors a large screen displaying a sharp increase in spam complaint rate. Surrounding are many emails and warning symbols. A 3D vector graph with an upward red arrow dominates the scene, indicating rising spam incidents.

Spam Complaint Rate: What It Is and How to Reduce It

Spam complaint rate is a metric that measures the number of complaints received per email sent. It is an important

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