Prepare Maildirs
- mkdir -p /etc/skel/Maildir/new
- mkdir -p /etc/skel/Maildir/cur
- mkdir -p /etc/skel/Maildir/tmp
Install Postfix
Install Procmail
Postfix Service Handling
- systemctl start postfix.service
- systemctl restart postfix.service
- systemctl stop postfix.service
- systemctl status postfix.service
Config of Postfix
- /etc/postfix/master.cf
- /etc/postfix/main.cf
SSL Verschlüsselung
Install letsencrypt
- sudo apt install letsencrypt
- letsencrypt certonly --standalone -d yyyy.tuxmen.de
master.cf changed
smtps inet n - y - - smtpd
-o smtpd_tls_wrappermode=yes
-o smtpd_sasl_auth_enable=yes
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
main.cf
smtpd_tls_cert_file = /etc/letsencrypt/live/yyy.tuxmen.de/fullchain.pem
smtpd_tls_key_file = /etc/letsencrypt/live/yyy.tuxmen.de/privkey.pem
smtpd_tls_security_level = may
smtpd_tls_received_header = yes
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
Install and config sasl
- apt-get install sasl2-bin