MailFlow.io alternative. Warmy vs MailFlow
With an immense amount of competition in the market, businesses are constantly seeking ways to stand apart from their competitors. One of the most effective ways to achieve this is by building relationships with potential clients through email. However, achieving a high email deliverability rate can prove to be a challenging task for businesses. This […]
How to Fix 550 Permanent Failure for One or More Recipients
Explore the reasons behind SMTP Error 550, how to troubleshoot and resolve it, and how Warmy’s solutions can help your overall deliverability.
Building a Strong Semantic Core: Guide to Keyword Research
If you’re engaged in a search engine optimization (SEO) project, then building an effective semantic core is essential. A well-constructed semantic core can provide significant benefits such as higher rankings for your website and increased organic traffic from relevant searches. But to put together an optimized and comprehensive set of keywords for your semantic core, […]
How to connect Amazon SES to Warmy.io
Do you want to boost your email marketing campaigns? Warmy.io is a handy and simple tool that can help give your mailing list a powerful boost! Connect it with Amazon SES and gain access to SMTP support for superior delivery of your emails worldwide. In this blog post, we’ll walk through the process of connecting […]
A Comprehensive Guide to IP Warming
IP Warming, in the context of email marketing, is a gradual process of building a reputation for a new Internet Protocol (IP) address, or an IP that has not been used for some time. This process involves gradually increasing the volume of emails sent from the new IP address over a period of time. The […]
The Difference Between Deliverability and Email Delivery Rate
If you’re responsible for maintaining the performance of your organization’s email marketing program, it’s essential to know the difference between deliverability and email delivery rate. Many people confuse them as one in the same; however, they have different meanings and effects on an advertising program. Deliverability is a measure of how successfully emails are sent […]
From Good to Great: Factors That Affect Domain Reputation
Having a good domain reputation is essential for any business that wants to have an online presence — but what constitutes a good reputation? There are many facets and factors that go into creating and maintaining a reputable online presence, and it pays to know what they all are. This blog post will explore the […]
Warmy vs. Instantly.ai: Which Email Warmup Tool is Best?
In 2026, getting your emails into the inbox is harder than ever. According to Warmy’s State of Deliverability Report 2025, the average inbox placement rate across major ESPs sits at just 83.5% with spam placement rate at 6.7% and 9.8% emails missing and unaccounted for. For high-volume outreach teams, the gap may be even more […]
10 Reasons Gmail Is Blocking Your Emails (And How to Fix It)
Emails not reaching the inbox? Discover the 10 most common reasons why Gmail is blocking your emails and the exact steps to protect your sender reputation.
The benefits of SendGrid SPF Record and SendGrid DKIM Record
Welcome to the world of SPF and DKIM authentication! It’s a great way to improve your deliverability with email marketing—but it can seem daunting at first. Have you ever wondered why some emails seem to just soar through your inbox like an eagle, while others are left stranded in the spam folder? Well, it all […]
