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Corporate

Important Update: MailChannels' Email Sending API for Cloudflare Workers to be Terminated

At MailChannels, our mission is to empower safer connections in an open world. We have been committed to supporting internet email as a truly open protocol since 2012. In early...

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Post Mortem

MailChannels Service Disruption: All The Gory Details

On April 22, 2024, at 05:30 UTC, our monitoring systems alerted us that SMTP connection times had spiked from the normal sub-1 second to over 7 seconds. This was the...

MailChannels Service Disruption
Product

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. This milestone is a...

DNSSEC Implementation
Podcast

Emerging Trends in Email Deliverability and How to Stay Ahead - An Interview with Al Iverson

In this episode, we sit down with Al Iverson, an expert in email deliverability, to explore the intricate world of email communication and marketing. Al shares his rich journey through...

YT Thumbnail EP 7 AL
Best Practices

Why Can't My Mail Server Deliver Mail to Yahoo or AOL?

In the digital age, where spam emails are a constant battle, large email providers like Yahoo and AOL have implemented stringent measures to protect their systems and users. These measures...

Why Can’t My Mail Server Deliver Mail To Yahoo Or AOL
Best Practices

What is security.txt used for?

In the ever-evolving landscape of cybersecurity, where new threats emerge with daunting frequency, it’s critical for organizations to foster an environment of open collaboration and swift communication. Enter security.txt, a...

Securitytxt
Best Practices

How to Successfully Remove Your IP Address from Spamhaus and UCEPROTECT

As an email administrator, encountering your server’s IP address on a blacklist by entities like Spamhaus and UCEPROTECT can significantly hinder your email deliverability, potentially damaging your reputation and preventing...

How To Successfully Remove Your IP Address From Spamhaus And UCEPROTECT
Corporate

Open-Xchange partners with MailChannels to deliver additional email security options to hosters

Hosters now have access to additional security options to help drive upsell opportunities and profitability, with the announcement of a new partnership between Open-Xchange, the leading independent provider of open-source email, productivity, and security software, and email security provider MailChannels.

Corporate

Join MailChannels at CloudFest 2022

Join MailChannels at Cloudfest 2022 with our free registration link.

Corporate

Customer Success Story - Rebel.com

Rebel.com Cuts Support Tickets Related to Email Delivery by 90% with MailChannels

Engineering

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.

Engineering

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

Engineering

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.

Podcast

Emerging Trends in Email Deliverability and How to Stay Ahead - An Interview with Al Iverson

In this episode, we sit down with Al Iverson, an expert in email deliverability, to explore the intricate world of email communication and marketing. Al shares his rich journey through...

YT Thumbnail EP 7 AL
Podcast

Powering a Fairer Internet with IPv6 -  Wido den Hollander, CTO of Your.Online

In this episode, we chat with hosting industry veteran Wido den Hollander about the vital role of IPv6, an addressing scheme for the internet that, despite being in existence since...

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Podcast

Delivering Email People Actually Want - Laura Atkins, Email Deliverability Expert

In this episode of Collateral Dialogue, host Ken Simpson delves into the intricate world of email deliverability with Laura Atkins, a renowned expert with over two decades of experience in...

YT Thumbnail EP 5 Laura Atkins (1)
Post Mortem

MailChannels Service Disruption: All The Gory Details

On April 22, 2024, at 05:30 UTC, our monitoring systems alerted us that SMTP connection times had spiked from the normal sub-1 second to over 7 seconds. This was the...

MailChannels Service Disruption
Product

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. This milestone is a...

DNSSEC Implementation
Product

Bolstering Your Email Security: Introducing Domain Lockdown™

Domain Lockdown empowers you to prevent unauthorized MailChannels users and accounts from sending emails from your domain.

Product

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.

Technical

Getting Onto a Blocklist Without Sending Any Spam

Getting Onto a Blacklist Without Sending Any Spam

Technical

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.

Technical

Video: What is the big deal with SSL and authentication?

Video: What is the big deal with SSL and authentication?

Trends

Email traffic analysis shows how Zoom is exploding in popularity

As millions of employees around the world have suddenly been forced to work from home, video conferencing services have experienced an unprecedented...

Trends

How is COVID-19 affecting global email traffic?

MailChannels delivers email for hundreds of web hosting providers. When your web site needs to send out a password reset, or if you send a message from...

Trends

Uber leaks trip data and personal info via a simple Google search

Fetching this Google search URL provides a listing of random Uber trips that were somehow indexed by the search giant's spider...

Uncategorized

Solving AOL's Dreaded "554 (RTR:BL)" Email Rejection Error

Have you ever tried sending an email to someone at AOL, only to receive a baffling error message that reads “554 (RTR:BL)”? You’re not alone. This common error code is...

Solving AOL’s Dreaded “554 (RTR BL)” Email Rejection Error —

Recent Updates

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