Christophs outsourced brain https://www.hackerbruecke.net/ Sun, 12 Apr 2026 15:03:33 +0000 FeedCreator 1.8 https://www.hackerbruecke.net/_media/wiki/favicon.ico https://www.hackerbruecke.net/ https://www.hackerbruecke.net/linux/email/postfix/sasl?rev=1493132202&do=diff SASL A very conveniant way of configuring the Simple Authentication and Security Layer (SASL) is to use the Pluggable Authentication Modules (PAM), since it can use diffrent authentication sources like ldap or /etc/passwd - thus SASL is everything but simple anonymous@undisclosed.example.com (Anonymous) Tue, 25 Apr 2017 14:56:42 +0000 https://www.hackerbruecke.net/linux/email/postfix/ssh-smtp-tunnel?rev=1493132228&do=diff SMTP-over-SSH-Tunnel Um zwei SMTP-Server (z.B. Mailserver im Heim-Netz zu Mailgateway bei Provider/Hoster) sicher miteinander zu verbinden, gibt es verschiedene Möglichkeiten. OpenVPN-Tunnel Eine Möglichkeit ist, ein OpenVPN-Tunnel zwischen beiden Servern. anonymous@undisclosed.example.com (Anonymous) Tue, 25 Apr 2017 14:57:08 +0000 https://www.hackerbruecke.net/linux/email/postfix/relayhost?rev=1493132193&do=diff Postfix configuration for a relayhost (MX) / Anti-SPAM-/UCE-settings smtpd (smtp + daemon) = server = Postfix receives mail from a client smtp = client = Postfix sends mail to another mailserver used Ports: 10023/tcp: postgrey 10024/tcp: amavisd-new 10025/tcp: policyd-weight anonymous@undisclosed.example.com (Anonymous) Tue, 25 Apr 2017 14:56:33 +0000 https://www.hackerbruecke.net/linux/email/postfix/tipps?rev=1493132245&do=diff Postfix Tipps und Tricks Mails aus Mailqueue löschen alle Mails des Benutzers station7@example.com aus der Mailqueue löschen: mail:~# mailq | tail -n +2 | grep -v '^ *(' | awk 'BEGIN { RS = "" } { if ($7 == "station7@example.com") print $1 }' | tr -d '*!' | postsuper -d - anonymous@undisclosed.example.com (Anonymous) Tue, 25 Apr 2017 14:57:25 +0000