How to Create & Check an SPF Record in 2026 (+Free Generator)
TL;DR An SPF record is a single TXT record in your domain’s DNS that lists which servers are…
Warmy Blog
Turn emails into revenue. Master deliverability, inbox placement, and warm-up strategies to scale outreach while protecting your domain reputation
Email Best Practices
How to Improve Email Sender Reputation Quickly: 9 Ways (2026)
How to improve email sender reputation quickly is to fix authentication first, then warm up the domain, clean…
What the EU AI Act means for email warm-up and AI cold outreach
The EU AI Act transparency rules under Article 50 take effect on August 2, 2026, and the date…
Email Deliverability
Best Email Warm-Up Tools for Gambling Operators (Not Just Cold Email)
TL;DR: Most email warm-up tools are built for SDR-style cold outreach, not high-volume casino CRM sending, and that…
How to Warm Up an Email Domain for Cold Outreach (2026)
Warming up an email domain means gradually increasing your sending volume from a new or inactive domain so…
Seed List Testing for Casino: How to Know Your Emails Are Landing Before You Send
Inbox placement testing for casino operators means sending your exact campaign to a monitored panel of real inboxes…
Email Marketing
7 Cold Email Templates for Digital Marketing & Creative Agencies (That Actually Get Replies)
The cold emails that get replies do three things: reference one specific detail about the prospect, ask for…
6 Best Email Warm-Up Tools That Integrate with Outlook / Microsoft
Email warm-up tools that integrate with Outlook are platforms that gradually build sender reputation by generating realistic email…
AI Email Warm-Up & Inbox Placement Tools for Gmail (2026)
AI inbox placement tools for Gmail are platforms that combine automated email warm-up, real inbox engagement simulation, and…
Email Warmup
Where to find affordable email warmup tools for startups
Affordable email warmup tools for startups are platforms that build a new domain’s sender reputation at a price…
7 Best Email Warmup Tools for Improving Sender Reputation (2026)
Compare the best email warmup tools for building and protecting sender reputation. Learn what separates effective tools, what…
Email Deliverability Tools with Customizable Warmup Schedules: The 2026 Expert Guide
Compare top email deliverability tools with customizable warmup schedules. Learn which features matter and find the best solution…
Product Updates
Warmy vs Smartlead (2026): Which should you use?
Warmy and Smartlead both promise better inbox placement, but they are built for different jobs. Warmy is a…
Best MailToaster alternative: Warmy vs. MailToaster in 2026
Warmy and MailToaster both promise the same outcome: more of your email in the inbox and less in…
Best Mailflow alternative 2026: Warmy vs. Mailflow
Warmy and Mailflow are both email warm-up tools, but they work at different scales. Mailflow is a free-to-low-cost…
Spam & Blacklists
7 Best Email Blacklist Monitoring & Removal Tools (2026)
TL;DREmail blacklist monitoring tools scan your sending IP and domain against public reputation lists like Spamhaus, then alert…
What Is the Spamhaus Blacklist and What Does It Do to Your Email Deliverability?
Spamhaus can kill your email deliverability overnight. Warmy's 2026 research breaks down every list, what triggers them, and…
SURBL Blacklist: What Is It, Why You Get Listed, and How to Fix It
This SURBL blacklist report by Warmy.io discusses what triggers a SURBL listing, how to check your domain, and…
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