Topic
Email Infrastructure
The plumbing behind sending at scale: MTAs, dedicated and shared IPs, IP warming, DNS, TLS, queueing, and the tradeoffs of self-hosting versus a relay.
30 articles
- 10 min readDeliverability
Enterprise SMTP Hosting in Australia
Enterprise SMTP hosting gives Australian businesses the control, compliance and performance they need at scale. With local data residency, dedicated infrastructure and engineer-led support, it delivers faster delivery, stronger security and a reliable foundation for critical email communications.
Patrick Yammouni
- 9 min readDeliverability
Mailtrap SMTP Service: A Detailed Review for Businesses
Mailtrap is an email platform for developer teams that offers an SMTP service with high inboxing rates, fast delivery, and 24/7 expert support. Since every developer team has different requirements, f…
Patrick Yammouni
- 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
- 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
- 8 min readDeliverability
Real Results: 8 Successful SMTP Delivery Case Studies That Changed the Game
Missed emails can mean lost sales, frustrated customers, and even damaged trust in your brand. But here’s the good news: lots of businesses have fixed these issues by improving how they send emails using SMTP (Simple Mail Transfer Protocol).
Jody Gail Arsolon
- 7 min readDeliverability
SMTP2GO Review (2025): Pros, Cons, and Best Alternatives
While SMTP2GO offers these benefits, there are several alternatives available in the market that provide similar services with their own unique features and advantages.
Jody Gail Arsolon
- 8 min readDeliverability
Apple’s Private Relay Email Addresses (@privaterelay.appleid.com): What They Are & How They Work
Apple has built its reputation on strong privacy and security. They’ve introduced tons of features over the years to keep your personal information safe.
Jody Gail Arsolon
- 5 min readDeliverability
Email Not Sending?That's sad, But Here’s How to Fix It
Emails are a big part of how we communicate—whether it's for work, staying in touch with friends, or sending out a newsletter. But what if you press "Send" and it doesn't go through?
Jody Gail Arsolon
- 9 min readEmail API & Integrations
How to Send Emails in Node.js: Nodemailer and HTTP API
Learn to send emails in Node.js with Maileroo's SMTP and API. This guide covers setup, using Nodemailer, sending plain text, HTML, and template emails, and securing API keys. Streamline email delivery with these easy steps.
Areeb Majeed
- 26 min readEmail Infrastructure
Top 20 Best Paid SMTP Relay Service Providers - Updated 2025
Simple Mail Transfer Protocol, or SMTP, is an industry standard for sending emails. It uses appropriate authentication tools to ensure that emails are delivered to the right inboxes on time. However, the quality of your SMTP service ultimately depends on the software service provider.
Eivor
- 4 min readEmail Authentication
How to Set Up Reverse DNS (rDNS) / PTR?
Reverse DNS (rDNS) is essential for tasks like email authentication, network diagnostics, and compliance. It involves mapping an IP address back to a domain name using PTR records. Proper rDNS setup ensures secure and efficient network operations, aiding in email deliverability and troubleshooting.
Areeb Majeed - 26 min readGeneral
Email Glossary - Updated for 2025
While sending emails you'll encounter plenty of words and acronyms, which are all essential to the email campaigns. Read our updated email glossary, updated for 2024!
Eivor
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.
