PostfixAdmin – Set Up A Mail Server with PostfixAdmin on Ubuntu | Debian – Part 6 –Install and Configure SSL/TLS Certificate for Mail Server
✳️ Code in this video: sudo apt install certbot python3-certbot-apache -y 📌 Note : Replace FQDN = Your-FQDN smtpd_use_tls=yes smtpd_tls_auth_only = yes smtp_tls_security_level = may smtpd_tls_security_level = may smtpd_tls_cert_file=/etc/letsencrypt/live/FQDN/fullchain.pem smtpd_tls_key_file=/etc/letsencrypt/live/FQDN/privkey.pem smtpd_sasl_security_options = noanonymous, noplaintext smtpd_sasl_tls_security_options = noanonymous 📌 Note that there are two spaces before the "-" character. -o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_sasl_type=dovecot -o smtpd_sasl_path=private/auth -o smtpd_reject_unlisted_recipient=no -o smtpd_client_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING -o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes -o smtpd_sasl_type=dovecot -o smtpd_sasl_path=private/auth -o smtpd_client_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING
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