Qmail
Allgemeine Informationen
qmail is an Internet Mail Transfer Agent (MTA) for UNIX-like operating systems. It's a drop-in replacement for the Sendmail system provided with UNIX operating systems. qmail uses the Simple Mail Transfer Protocol (SMTP) to exchange messages with MTA's on other systems.
Module
qmail is modular. |qmail-smtpd|accepts/rejects messages via SMTP |qmail-inject|injects messages locally |qmail-rspawn/qmail-remote|handles remote deliveries |qmail-lspawn/qmail-local|handles local deliveries |qmail-send|processes the queue |qmail-clean|cleans the queue
Verzeichnisse
Template:*bedeutet, dass es eine weitere numerische Aufteilung aus Handlingsgründen gibt |/var/qmail/|qmail root |/var/log/|log dir| |/var/qmail/mailnames/<Domain>/<User>/.qmail (dot-qmail)|User spezifische Konfiguration |<qmail root>/users|the qmail-users database files |<qmail root>/bin|program binaries and scripts |<qmail root>/boot|startup scripts |<qmail root>/control|configuration files |<qmail root>/doc|documentation (except man pages) |mailnames/<Domain>/<User>/Maildir/cur/|Verzeichnis der aktuellen Mail. __,__ kennzeichnet ungelesene, __,S__ kennzeichnet vermutlich schon gelesene Mails |<qmail root>/man|man pages |<qmail root>/queue|the queue of unsent messages |<qmail root>/queue/bounce|permanent delivery errors |<qmail root>/queue/info*|envelope sender address |<qmail root>/queue/intd|envelope under construction by qmail |<qmail root>/queue/local*|local envelope recipient adress |<qmail root>/queue/lock|lock files |<qmail root>/queue/mess*|message files |<qmail root>/queue/pid|used to acquire an i-node number |<qmail root>/queue/remote*|remote envelope recipient address |<qmail root>/queue/todo|complete envelopes |<qmail root>/users|user database files
Configuration
Nearly all configuration are located in the Template:Control subdirectory. The following files configure qmail: |virtualdomains|Auflistung der virtuellen Domains !!.qmail Delivery of a user's mail is usually controlled by one or more .qmail files. .qmail files contain a list of delivery instructions, one instruction per line. The first character of the line determines what kind of delivery is involved: |#|comment ||programm |__/__<MailDir>__/__|maildir |__/__<Mailbox>|mailbox |&|forward |<AlphaNum>|forward
User
All users are listed in the file Template:Assign in the Template:Users subdirectory.
Analyse
Template:/var/qmail/bin/qmail-qstat
Literatur
- [Life With QMail|file:///C:/Uwes/Documents/QMail/LifeWithQMail.pdf]