Technical Recommendations

In this section, you will find a set of technical recommendations regarding compliance with standards, good practices, and configurations, whose implementation will decisively contribute to increasing the level of cyber security in organisations.

TECHNICAL RECOMMENDATION 01/2021

STARTTLS and DANE

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The CNCS TR01/21 (Technical Recommendation) describes the importance and recommends the use of the STARTTLS and DANE standards for greater security in the transfer of electronic mail (SMTP) between organisations. To view the document Click here

TECHNICAL RECOMMENDATION 01/2020

PROTECTION OF (PARKED DOMAINS)

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The CNCS TR01/20 describes a set of good practices that should be adopted with "parked" domains (and subdomains) that are not used for sending e-mails To view the document Click here

TECHNICAL RECOMMENDATION 01/2019

SPF, DKIM and DMARC

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The CNCS TR01/19 (Technical Recommendation) describes the importance and recommends the use of the SPF, DKIM and DMARC standards for strengthening the security of organisations' e-mail systems. To view the document Click here