Stopping outbound spam

In a previous chapter, we discussed the impact and configuration of inbound spam protection. While this is a significant step in protecting your organization from attacks, it fails to address what happens if a bad actor uses your infrastructure to attack third parties. Neglecting this area could result in your security team overlooking a bad actor hiding in your environment, and your organization could be held liable for any attacks involving your infrastructure.

Implementing outbound spam controls is a simple multi-step process involving the configuration of email authentication and the configuration of outbound spam policies. Implementing these controls brings multiple positive effects to your environment, which justifies the time and effort spent. These include improved email deliverability, as legitimate emails are less likely to end up in spam folders. This ensures timely communication and avoids frustration. Additionally, there is a reduced risk of phishing...