The Maileroo Blog
Guides, tutorials, and product updates from the team building Maileroo.
- 8 min readGeneral
Top 10 Ways to Write an Apology Email
Mistakes, such as missed deadlines or project oversights, can significantly impact professional relationships. Apologizing through well-written emails is an effective way to show regret and demonstrate accountability. This article provides a detailed guide on crafting an apology email.
Jody Gail Arsolon

- 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

- 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

- 7 min readEmail Infrastructure
Maximising Your Email Security with Spam Filters
Leverage spam filters and Maileroo for your organisation's email security. Here's how:
Jody Gail Arsolon

- 7 min readEmail API & Integrations
How to Send Emails in C# .NET via SMTP
Learn to send emails in C# using SMTP with .Net framework. Include namespaces System.Net and System.Net.Mail, set up MailMessage with sender, recipient, subject, and body. Configure SmtpClient with server details, use Send() method. Covers attachments and MailKit library.
Areeb Majeed
- 7 min readEmail API & Integrations
How to Send Emails Using Laravel
In this comprehensive guide, learn how to send emails using Laravel. We delve into configuring email settings, creating mailable classes, and integrating SMTP or Maileroo API for streamlined email delivery.
Areeb Majeed
- 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

- 6 min readEmail Authentication
What is SPF and How to Create an SPF Record?
SPF, or Sender Policy Framework, is a method used to prevent email spoofing. It allows domain owners to specify which mail servers are permitted to send emails on behalf of their domain. This is crucial in combating spam and phishing attacks.
Patrick Yammouni

- 3 min readEmail API & Integrations
How To Add Custom SMTP to WordPress?
It is a new year, which also means it is a fresh start for a lot of people. Going into a new year, we always look at what we can learn to bolster new knowledge and continued growth within ourselves. O…
Patrick Yammouni

Crafted 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.