The Basics of Email Blacklists Email blacklists are tools used by email receivers to prevent unwanted or harmful emails from reaching their inbox. They work by blocking IP addresses known...
Have you ever encountered the frustrating error message from Yahoo! Mail, “421 4.7.0 [TS01] Messages from [your IP] temporarily deferred due to user complaints”? You’re not alone. Yahoo! Mail, one...
What is Spam Filtering? Spam filtering is an essential tool in the digital world, designed to identify and block unwanted, unsolicited, and potentially harmful emails known as spam. It serves...
Domain Lockdown empowers you to prevent unauthorized MailChannels users and accounts from sending emails from your domain.
The Importance of SMTP Timeouts Email marketers need to configure SMTP timeouts correctly to ensure their emails get delivered through traffic-shaped connections. According to RFC 5321, having a timeout mechanism...
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...
In the world of web hosting, ensuring reliable email delivery is a persistent challenge. With spam emails making up a significant portion of email traffic, safeguarding your outbound emails is...
Outbound spam is more than just a nuisance; it’s a threat to your network’s integrity and your brand’s reputation. When a user’s account is compromised, it can lead to a...
In the digital age, the importance of online security cannot be overstated. As businesses increasingly move online, the threat of cyberattacks, such as ransomware, grows. A significant number of these...
Spam is an unwelcome guest in our inboxes, and fighting it requires smart strategies. MailChannels has a unique approach with its TrafficControl product. Instead of just blocking spam, it slows...
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