Hey everyone! I'm looking to get some insights from security pros who have experience managing Mail Gateways. What are some general best practices and key concepts to keep in mind when setting one up? I'm really interested in strategies that can enhance the effectiveness of this type of security equipment, regardless of the specific technology or vendor. Thanks!
3 Answers
Just to clarify, are we looking at a mailgateway like Fortimail or something else? It's a bit different from a standard mail server or SMTP relay.
Definitely focus on strong authentication methods! Implementing SPF, DKIM, and DMARC can really help protect against spoofing. Also, using DNSSEC and DANE will add an extra layer of validation for your emails.
My two cents: Place your Mail Gateway in the DMZ for security. Limit traffic to internal networks to your email servers. If you deal a lot with sensitive emails, consider using a Mail Gateway cluster for redundancy. Also, using different antivirus solutions on the gateway compared to your LAN can help catch more threats.
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