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Email Authentication: What is DMARC?

Domain-based Message Authentication, Reporting, and Conformance (DMARC) is an email authentication protocol that domain owners can use to enable policies so that receiving email servers know how to handle unauthenticated emails that have failed authentication checks from other protocols (like SPF and DKIM).

Illustration of warning message for URL blacklist Article

What is URL Blacklist and How to Avoid It?

A URL blacklist is a list of websites, domains, IP addresses that are flagged as malicious or engaged in suspicious behaviors that may harm visitors. Let's dive into what URL blacklist is, how websites end up on URL blacklist, and how to get off the URL blacklist.