What techniques address vulnerabilities in unsecured email relay configurations?
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What techniques address vulnerabilities in unsecured email relay configurations?
One technique to address vulnerabilities in unsecured email relay configurations is to implement authentication mechanisms such as SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting, and Conformance). These protocols help verify the authenticity of email senders and prevent unauthorized relay. Additionally, configuring proper access controls, encryption methods, and monitoring tools can further enhance the security of email relay systems.