Articles by Areeb Majeed
- 3 min read
Service Disruption on 3 November 2026
On 3 November 2026, a large burst of email from a single customer overloaded one of our mail transfer agents and exhausted the memory of our queueing database. Emails were delayed between 11:35 and 12:30 AEDT, and some emails accepted between 11:35 and 12:00 may not have been delivered. This post covers what happened, what we've changed, and what to do if you were affected.
- 8 min readEmail Authentication
SPF Flattening or Macros: Which One Should You Be Using?
SPF’s 10-lookup limit can trigger failures for domains using many email providers. Flattening replaces includes with IP lists but can grow large or stale, while macros use one dynamic DNS lookup and scale better. The right choice depends on address-set size, complexity and upkeep.
- 2 min readProduct Updates
Introducing CampaignLark
CampaignLark is our upcoming email marketing platform, built from the ground up using feedback from thousands of users. It brings campaigns, automation, segmentation, and templates together into one connected, data-driven workflow.
- 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.
- 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.
- 8 min readEmail API & Integrations
Sending Emails Using SMTP and Maileroo API in Python
Automate email sending with Python using SMTP or the Maileroo API for scalable, reliable delivery. Simplify notifications, confirmations, or campaigns with easy integration and advanced features.
- 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.
- 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.
- 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…
- 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.
- 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.
- 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.
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.
Email Testing
Capture, inspect, and validate every message in a safe sandbox, with authentication checks and spam analysis before going into production.
Developer SDKs
Build integrations faster using SDKs, code examples, and resources for modern application development.
