OpenSMTPD Is The Mail Server For The Future
Summary
OpenSMTPD Is The Mail Server For The Future discusses migrating from Exim to OpenSMTPD on OpenBSD 7.9, with TLS, rspamd, and DKIM signing. It covers greylisting/greytrapping, DNS SPF/DKIM/DMARC considerations, and provides practical config examples, concluding that OpenSMTPD offers a secure, maintainable mail server for the future.