The Maileroo Blog
Guides, tutorials, and product updates from the team building Maileroo.
- 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
- 27 min readGeneral
Top 31 Free Email Providers List To Watch Out For This 2026
Looking for the best free email providers?if you've found yourself like other business owners or even marketers on a quest for a new email service, you're not alone. Many are in search of providers that better align with their evolving needs.
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
- 4 min readEmail API & Integrations
How to Send an Email With PHP?
Sending emails programmatically is a regular requirement in web development, whether for user registration confirmations, password resets, or contact form submissions. PHP, a prominent server-side scr…
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
- 10 min readDeliverability
Heads Up! Updated Email Marketing Regulations for Different Countries for 2025
Email marketing regulations are in place in different countries to ensure that the recipients' right to privacy are respected. Different countries have specific laws, with the Spam Act of 2003 for Australia as an example.
Eivor
- 7 min readEmail API & Integrations
Postmark Review 2025: Pros, Cons, and Alternatives
Postmark is a leading SMTP email service provider that boasts the fastest deliverability in the business and specializes in transactional emails. Customers can choose from eight pricing packages, plus an option to use the Free Trial which allows up to 100 emails monthly.
Eivor
- 7 min readDeliverability
MailGun Review 2026: Pros, Cons, and Alternatives
Mailgun is a popular email deliver service provider founded in 2010. It offers four pricing plans, including a Free 30-day plan of up to 5,000 emails.
Eivor
- 10 min readGeneral
7 Creative Ways to Build Your Email List
Email is a timeless marketing tool, and despite the buzz around social media and AI, it remains effective. A notable report highlights that email can achieve over 7% conversion rates from landing page traffic.
Areeb Majeed - 12 min readDeliverability
Guide to IP Warming - Improve Email Deliverability and ROI Using These Tips
Email deliverability depends on IP reputation. Use IP warming by gradually increasing email volumes to ensure your messages reach customers and boost engagement.
Areeb Majeed - 12 min readGeneral
SendGrid Review (2025): Pros, Cons, and Alternatives
With the increasing importance of email marketing in the information overload era, it is crucial for maintaining direct and personalised communication with audiences. This comprehensive 2025 SendGrid review provides a nuanced analysis and comparisons with alternative platforms.
Jody Gail Arsolon
- 15 min readDeliverability
Actionable Checklist to Improve Email Deliverability
Maintaining email deliverability is essential for marketing success. Key strategies include avoiding dodgy URLs, selecting a reputable ESP, warming up IPs, managing bounces, ensuring email authentication, and focusing on user experience through segmentation and consistent sending patterns.
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.
