The Barracuda Reputation Block List: What Every B2B Email Sender Must Know
The Warmy Research Team breaks down how the Barracuda Reputation Block List works, what triggers an IP listing,…
Email Best Practices
7 AI Tools That Are Changing Outbound Sales in 2026
Table of Contents Why AI Is Essential for Outbound Sales in 2026 How We Selected These 7 AI…
Best Ways to Test Cold Email Subject Lines for Better Results
We live in an era of abundant data, when every decision can be technically guided by accurate and…
Does Email Batch Size Matter? A Year of Deliverability Data Has The Answer
Email deliverability conversations often focus on what you send: subject lines, copy, personalization, authentication. Far less attention is…
SMTP vs API Sending: One Year of Google Sending Data
If you work with email at any meaningful scale, the question inevitably comes up: is it better to…
Black Friday Deliverability Horrors: Turn Chaos Into Success
Every year, Black Friday evolves into more than just a single day of shopping frenzy. It has become…
Warm Up vs Warm Up With Clicks: What 2025 Data Reveals About Real Inbox Gains
Email deliverability in 2025 is not just shaped by technical setup alone. As algorithms continue to evolve, mailbox…
7 Maildoso Alternatives for Better Cold Emailing
Cold emailing is a solid tool for outreach (both for B2B and B2C), but choosing the right platform…
Why Warmy is the Best Among Mailmend Alternatives
When it comes to email deliverability, it takes more than just email marketing strategies to get your emails…
7 Best Mailforge Alternatives To Consider
When it comes to email outreach, deliverability is more important than engagement. Although email marketers may spend significant…
5 Best Inframail Alternatives for Email Outreach
Inframail is a popular tool for businesses doing cold outreach as it provides a solid foundation for companies…
MailReef Alternatives: 7 Best Tools for Email Success
MailReef is a popular email infrastructure platform created by cold emailers specifically for the purpose of cold emailing. …
