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Best Practices

Lawfully Filtering Outbound Spam in the European Union

An analysis of the privacy implications of using MailChannels Cloud and MailChannels Dedicated to filter outbound spam in the EU

Best Practices

Stop Blacklisting with an SMTP Relay Service

Put an end to IP address blacklisting and keep your IP reputation intact with an SMTP relay service like MailChannels Cloud.

Corporate

How LetsHost Solved Blacklisting Challenges with MailChannels Cloud

With the help of MailChannels Cloud, LetsHost eliminated blacklisting issues and

Best Practices

Backdoors Help Spammers and Hackers Wreak Havoc

Backdoors force developers to build insecure software and are unlikely to remain a secret for long.%%NEWLINE%%

Corporate

Active Spoofing Attack Mimicks MailChannels Cloud Bounce Messages

Cybercriminals caught impersonating MailChannels with fake email bounce messages

Engineering

Using Transport Layer Security (TLS) With a Transparent SMTP Proxy

Transport Layer Security (TLS) is an encryption protocol that ensures the privacy of SMTP traffic exchanged between mail servers.

Best Practices

Important Open Source Software Should Be Regularly Audited

Curl’s recent security vulnerabilities is a reminder that many of the tools we rely on aren’t subject to thorough code inspections%%NEWLINE%%

Best Practices

Port 25: Why Keeping It Open Is Important

Many hosts who experience spam issues can be tempted to block port 25. However, this is merely a temporary solution to the problem.

Best Practices

Spam Traps Can Be Very Bad News for Your Sender Reputation

Avoiding spam traps is essential to maintaining a good sender reputation with ISPs and mailbox providers. But how do you avoid spam traps?

Best Practices

Hosting Your Own Email Might Not Be A Good Idea

Non-technical users should be aware of the risks involved in self-hosting and managing email — it's not as easy as you might think

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