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How Sender Policy Framework (SPF) improves your email deliverability
Domain owners publish SPF information in the Domain Name System (DNS) - a globe-spanning database of internet information - in something called an SPF record. Boiled down, an SPF record specifies in computer-readable form a set of rules that email receivers can use to verify that an email sent from your domain originated from a server that is authorized to send on behalf of your domain.
Upcoming change from Spamhaus will make March 1st a difficult day for some
On February 11th, Spamhaus reminded its users that they would start to block queries sent from public Domain Name System (DNS) resolvers beginning on March 1st
Bolstering Your Email Security: Introducing Domain Lockdown™
Domain Lockdown empowers you to prevent unauthorized MailChannels users and accounts from sending emails from your domain.
Does MailChannels Use Machine Learning, Content-Based Scanning, or Behavior-Based Rules?
Email security and deliverability are critical concerns for web hosts, businesses, and email service providers. With increasing spam and phishing attacks, email providers need advanced filtering solutions that go beyond...
Getting Onto a Blocklist Without Sending Any Spam
Getting Onto a Blacklist Without Sending Any Spam
How Outbound Spam Affects Cloud Hosting Providers
MailChannels CEO Ken Simpson discusses how outbound spam affects cloud hosting providers and recommends how they can help to stop it to recover costs.
How to Improve Transactional Email Deliverability (and Stay Out of the Spam Folder)
Transactional email is infrastructure. Password resets, signup confirmations, receipts, billing notices, and security alerts all depend on timely inbox placement. When those messages land in spam or fail to arrive,...
MailChannels vs SendGrid, Postmark, and Mailgun: Which Transactional Email Provider Is Right for You?
Choosing a transactional email provider is not just about sending messages. It is about deliverability, operational continuity, abuse handling, and how much risk your product can tolerate when email is...
Recent Updates
MailChannels Enhances Email Security with DNSSEC Implementation
MailChannels is excited to announce that we have implemented DNSSEC (Domain Name System Security Extensions) on the primary domain associated with our email delivery service, mailchannels.net.
Introducing Domain Lockdown™
Domain Lockdown empowers you to prevent unauthorized MailChannels users and accounts from sending emails from your domain.
Announcing Log Search API
We've developed a new API that allows you to easily search through your email logs and find exactly what you're looking for. This new feature is available to all customers, free of charge.
Free Email-Sending for Cloudflare Workers Customers
The new service enables Cloudflare developers to send email messages from within their Workers apps, with no authentication or domain verification required.
Announcing Monthly Usage Email
Each month you’ll receive a summary of the email we processed for you at MailChannels, including: Processed, Delivered, Blocked, Compromised Accounts, and more.
Announcing cPanel Integration
MailChannels is pleased to announce the release of cPanel® & WHM® plugin version 3.0 to help hosting providers provision and manage filtering of inbound and outbound email through MailChannels cloud services.
Introducing Inbound Filtering with Incredible Accuracy, Usability, and Support
MailChannels Inbound Filtering is a new cloud service that detects and blocks spam, phishing, and malware before it hits the customer’s inbox.
Feature Spotlight: Sender Profiles
Did you know that you can see all activity for individual users in Sender Profiles?
Customer Success Story - Rebel.com
Rebel.com Cuts Support Tickets Related to Email Delivery by 90% with MailChannels
The Year in Review: MailChannels Features and Product Highlights from 2020
Looking back, here are some of the platform improvements that were made during this extraordinary year.
How To Save Money Without Sacrificing On Reliability When Using AWS Spot Instances
One of the best tools in our cost-saving arsenal is a technology offered by AWS called Spot Instances.
Palinurus – A Helm chart conversion tool
Palinurus converts Kubernetes resource files to helm charts automatically, eliminating a manual, error-prone step on the road from service definition to reliable deployment.
MailChannels Rolls Out Improved Spam Detection Engine
To maintain an excellent email reputation, MailChannels works hard to block spam and phishing attacks from the more than 26 million unique senders whose email we process each month.
Announcing Log Search API
We've developed a new API that allows you to easily search through your email logs and find exactly what you're looking for.
Announcing the Monthly Usage Report
With the new Monthly Usage Report, it’s easy to access your important MailChannels insights.
MailChannels Enables Free Email Sending for Cloudflare Workers Customers
Today, MailChannels is launching a free email sending service for Cloudflare Workers. The new service enables Cloudflare developers to send email messages from within their Workers apps, with no authentication or domain verification required.
Video: What is the big deal with SSL and authentication?
Video: What is the big deal with SSL and authentication?
Video: How are service providers trying to stop outbound spam?
Video: How are service providers trying to stop outbound spam?
IP Blacklisting Still Threatens Hosting Providers in 2025 — Here’s How to Stop It
IP Blacklisting: A Persistent Problem for Hosting Providers in 2025 Even in 2025, IP blacklisting remains one of the most common—and costly—issues facing web hosting providers. Every day, hosting companies...
How Global Crises Impact Email Traffic—and What Hosting Providers Can Do About It
In 2020, COVID-19 disrupted nearly every aspect of life, including the world of email. At the time, MailChannels observed a sharp increase in global email traffic—especially transactional and outbound messages—as...
Security Notifications, Alerts & Account Activity Emails: Why Deliverability Matters
Security emails are not routine notifications. They are part of your product’s defense layer. Login alerts, password change confirmations, MFA notices, suspicious activity warnings, and account access updates help users...
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