Topic
Email Authentication
SPF, DKIM, DMARC, BIMI, and MTA-STS explained end to end, with setup walkthroughs, record syntax, and troubleshooting for failed alignment.
14 articles
- 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
- 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
- 9 min readEmail API & Integrations
Sending Emails Using SMTP and Maileroo API in Java
Learn to send emails in Java using Maileroo! This guide covers SMTP and Maileroo Email API, from setup to sample code for sending notifications, confirmations, or newsletters. Simplify email integration and enhance user communication with easy-to-follow steps and examples.
Areeb Majeed
- 8 min readEmail Authentication
How SPF, DKIM, and DMARC Work Together to Secure Your Emails
Email security is critical in the 21st century. Due to the popularity of the medium, emails have unfortunately become a major vector of cybercrime. Things like phishing scams, spoofing, and fraud are quite easy to do via email.
Jody Gail Arsolon
- 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
- 4 min readEmail Authentication
Quick Guide on How to Add a Sender's Image to Gmail, Postbox, Thunderbird, and more!
Adding a sender's image not only improves the emails' aesthetics, but also improves your authentication and customization campaigns. Adding a sender's image for Gmail and other independent mailbox providers is easy and doesn't require advanced coding or HTML skills.
Eivor
- 11 min readDeliverability
Why Are My Emails Going to Spam?
Learn why emails land in spam and how to prevent it. Key factors include sender reputation, email content, and adherence to authentication standards like SPF, DKIM, and DMARC. Solutions involve engaging content, double opt-in, proper HTML use, good IP reputation, and consistent sending behavior.
Areeb Majeed
- 3 min readDeliverability
Google to Reject Mass Emails To Defend Gmail Users From Spammers Starting this April 2024
Starting in April 2024, Google has set a goal to be stricter by blocking all unwanted emails that do not follow the recently released guidelines.
Jody Gail Arsolon
- 6 min readEmail Authentication
Configure DKIM with Postfix on Ubuntu
Implementing DKIM is vital for email security, but it's just one part of the puzzle. SPF, DMARC, and rDNS are equally important. SPF defines authorized sending servers, DMARC dictates handling of SPF/DKIM failures, and rDNS connects IPs to domains, collectively boosting security and deliverability.
Areeb Majeed
- 10 min readEmail Infrastructure
SMTP Commands Explained: Understanding the Backbone of Email
Dive into the world of SMTP, the backbone of email communication. This guide covers essential SMTP commands, demonstrates their usage through Python scripting, and highlights the importance of security protocols like SPF, DKIM, and DMARC.
Areeb Majeed
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.
