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Introduction to a Self Managed Life: a 13 hour & 28 minute presentation by FUTO software
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=== Rule 7: Forwarding POP3S (Port 995) === * '''Protocol''': IPv4 TCP * '''Source''': <code>mailserver_trusted_clients</code> * '''Destination''': 192.168.5.3 * '''Port''': 995 (POP3/S) * '''Description''': NAT Forward Dovecot POP3S to Mailcow <span id="what-this-rule-does-3"></span> ==== What this rule does: ==== * This rule forwards secure POP3 (POP3S) traffic on port 995 to the Mailcow server. * POP3S is the encrypted version of POP3, using SSL/TLS for secure communication. * '''Why this is needed''': This rule enables users to securely retrieve their emails using POP3S. This is preferred over regular POP3 because it makes sure that the email contents and credentials are transmitted securely. * '''When this NOT needed''': This rule is unnecessary if you are receiving mail by connecting to your mailserver via VPN, or locally on your home network. Also why are you even thinking of using POP3? Donβt do this. Use IMAP, POP3 in 2024 is pure insanity. <span id="rule-8-forwarding-managesieve-port-4190"></span>
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