Mailserver-Best-Practice: Unterschied zwischen den Versionen
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Thomas (Diskussion | Beiträge) |
Thomas (Diskussion | Beiträge) (→Config) |
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+ | =Restart= | ||
+ | *systemdctl restart postfix | ||
+ | *systemdctl restart dovecot |
Version vom 7. Februar 2018, 13:55 Uhr
Prepare Maildirs
- mkdir -p /etc/skel/Maildir/new
- mkdir -p /etc/skel/Maildir/cur
- mkdir -p /etc/skel/Maildir/tmp
Install Postfix
- apt-get install postfix
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 yyy.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
Sasl2 over Dovecot
- /etc/postfix/main.cf
smtpd_sasl_auth_enable = yes smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
Dovecot
Install
- apt-get install dovecot-core dovecot-imap
Config
- /etc/dovecot/conf.d/10-ssl.conf
ssl = yes smtpd_tls_cert_file = /etc/letsencrypt/live/yyy.tuxmen.de/fullchain.pem smtpd_tls_key_file = /etc/letsencrypt/live/yyy.tuxmen.de/privkey.pem
- /etc/dovecot/conf.d/10-mail.conf
mail_location = maildir:~/Maildir
- /etc/dovecot/conf.d/10-master.conf
service auth { unix_listener auth-userdb { #mode = 0666 #user = #group = } unix_listener /var/spool/postfix/private/auth { mode = 0666 } }
Restart
- systemdctl restart postfix
- systemdctl restart dovecot