The Maileroo Blog
Guides, tutorials, and product updates from the team building Maileroo.
- 11 min readGeneral
Email Marketing Agency vs. In-House: Which One's Right for Your Business?
Should you hire an agency to do your email marketing for you, or should you build your own team?
Jody Gail Arsolon
- 7 min readDeliverability
The Complete Guide to Email Warm-Up for New Domains
This guide will walk you through everything you need to know about warming up your new domain for email success.
Jody Gail Arsolon
- 12 min readDeliverability
Unsubscribe Best Practices: Making It Easy (And Why You Should)
Here's something that makes you think twice: making it ridiculously easy for people to unsubscribe from your emails is actually one of the smartest business moves you can make.
Jody Gail Arsolon
- 5 min readGeneral
OSINF vs OSINT: How Is Data Transformed to Open-Source Intelligence?
Data is everywhere, but it’s only open-source information (OSINF), and intelligence (OSINT) is what truly matters.
Jody Gail Arsolon
- 7 min readEmail Design & Development
The Best Free Email Signature Creators That Actually Don't Suck (2025 Edition)
There are actually some decent free email signature tools out there. You just need to know which ones won't waste your time.
Jody Gail Arsolon
- 10 min readGeneral
7 Reminder Email Templates That Actually Get Responses
You know that sinking feeling when you send what you think is a perfectly crafted email, only to hear... nothing.
Jody Gail Arsolon
- 3 min readDeliverability
My Experience With Yahoo's TSS04 Error
Recently, I started receiving a temporary deferral from Yahoo indicating that emails were being delayed due to unexpected volume or user complaints. This IP had been in use for around six months, and we hadn't encountered these error codes before.
Areeb Majeed
- 8 min readGeneral
7 Best Private Email Services That Actually Respect Your Privacy
Your Gmail has access to more personal information than your closest friend. Here's the thing: email wasn't supposed to be like this. It was meant to be digital mail, private correspondence. But there's another way. Email providers treat your messages like private conversations.
Jody Gail Arsolon
- 10 min readDeliverability
Top 10 Mailtrap Alternatives for Better Email Delivery
While Mailtrap provides a powerful, unified solution, it isn’t the perfect choice for every business. Some may seek a platform with a longer-standing history in marketing automation, while others may…
Jody Gail Arsolon
- 11 min readGeneral
How to Write Professional Apology Emails That Actually Work (Steps and Samples)
Here's the thing about apologies in 2025: Sometimes you get to craft them carefully in the privacy of your office. Your next move determines everything.
Jody Gail Arsolon
- 11 min readGeneral
ChatGPT for Email Marketing: 5 Prompts That Boost Open Rates
We're going to show you exactly how to do this with five prompts that have been shown to always increase open rates. No fluff or complicated theories. Just useful tips you can use right away.
Jody Gail Arsolon
- 8 min readDeliverability
Email Marketing Success Stories: 7 Real Businesses That Transformed Their Results
Email might seem old-school in our age of social media and instant messaging, but it remains one of the most powerful tools for business growth. The problem? Many businesses struggle with emails that never reach their customers, get buried in spam folders, or simply don't generate results.
Jody Gail Arsolon
FeaturesCrafted for a Delightful Email Experience
Discover the products and services that help businesses manage email infrastructure, improve deliverability, and scale efficiently.
SMTP Relay
Send transactional and bulk emails through reliable SMTP infrastructure built for speed, security, and deliverability.
Email API
Integrate email delivery into your applications using powerful APIs built for flexibility, scalability, and performance.
Streams
Separate transactional and marketing traffic into isolated sending streams to protect reputation and keep critical emails fast.
Inbound Routing
Receive and route incoming emails directly into your applications using flexible automation and processing workflows.
Email Marketing
Create and deliver marketing campaigns designed to increase engagement, reach, and customer retention.
Webhooks
Receive real-time event notifications for deliveries, opens, and clicks for storage and automation workflows.
Analytics
Monitor email performance with detailed insights, reporting tools, and actionable delivery metrics in real time.
Dedicated IPs
Gain greater sending control with dedicated IPs designed for consistency, reputation, scalability, and reliability.
Developer SDKs
Build integrations faster using SDKs, code examples, and resources for modern application development.
