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Email

We use the following pieces of mail software to provide our mail platform:

  • OpenSMTPD (SMTP)
    • Config files are in /etc/mail and /etc/smtpd.conf
    • We compile opensmtpd from source to get the latest version.
    • We compile opensmtpd-filter-rspamd from source because it's not included yet.
  • Dovecot (IMAP)
    • We replace the 90 config files with a single one at /etc/dovecot/dovecot.conf
  • Rspamd (spam protection)
    • We do some whitelisting in /etc/rspamd/local.d/
  • Koushin (web interface)
    • Hosted on elliot.cyberia.club
    • With custom CSS

The two above components make up our email system, which is hosted on m1.nullhex.com.