Documentation and information relating to my self-hosted mail server
Postfix is used as the SMTP server and Dovecot is used as the IMAP server.
TLS certs are obtained via lets encrypt.
OpenDKIM is used for signing paired with spamassassin for mail filtering.
Features
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Appropriate DNS records (SPF, PTR, DKIM, DMARC) implemented for authentic, trusted and reliable mail. Full report available here
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DNSSEC enabled for Postfix allowing validated MX lookups, with DNSSEC additionally configured for the server's domain to protect the integrity of record resolution
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Strong encryption with AES-128-GCM and secure mail transmission with TLS 1.3
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Mail deliverable to the most prolific service proivders, such as Microsoft, Google and Yahoo
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Fully functional mail accounts accessible via IMAP/SMTP clients
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Mail accounts secured with a custom IPS script automatically dropping connections from IPs with suspicious activity
Extremely useful tools in debugging
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The "postfix check" command
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The "doveconf -n" command