| Types | Opensource | ||
|---|---|---|---|
| MTA | Mail Transfer Agent | SMTP server | Postfix |
| MDA | Mail Delivery Agent | POP3, IMAP server | maildrop (local mail delivery agent) dovecot |
| MUA | Mail User Agent | (CLI) sendmail, mail, mailx, mutt, mpack (WEB) RoundCube |
ssl_ca = </etc/ssl/ca.pem ssl_verify_client_cert = yes auth_ssl_require_client_cert = yes |
Rocky Linux - 메일서버 구축 (Postfix, Dovecot, MariaDB And Roundcube) - https://foxydog.tistory.com/104