Monday, December 7, 2009

Reverse DNS checking: Is it safe to use?

Every time I do a setup with a customer, the question always comes up: Should we use Reverse DNS checking or not when configuring connection-level blocking security measures?

Read more on Email Security Matters blog:
http://www.emailsecuritymatters.com/site/blog/best-practices/reverse-dns-checking-is-it-safe-to-use/

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