DOKK / manpages / debian 10 / citadel-server / citserver.8.en
citmail(8) System Manager's Manual citmail(8)

citserver - Core of the Citadel Suite.

citserver [-lLogFacility] [-d] [-f] [-D] [-tTraceFile] [-xLogLevel] [-hHomeDir]

Citadel (the binary name is citserver) is the core of the Citadel Suite. It provides Data-storage and Connection-oriented protocols like IMAP/POP/SMTP. Citserver will usualy be spawned via /etc/init.d or inittab. Unless using the -h option you shouldn't run several instances at once. .SH OPTIONS

Log facility. Usually "mail"
daemonize (detach from controlling terminal)
print the directories the server would access to stderr on startup
Send log messages to a file instead of syslog
Verbosity level of logging (0 to 9)
Data directory for this Citadel installation. If the directory name begins with a forward slash, it is an absolute path; otherwise it is relative to the default. Watch the output of -D to observe the effects.

Default port bindings opened by citserver:

25
SMTP
110
POP3
143
IMAP
465
SMTPS
504
Citadel protocol
587
MSA
993
IMAPS
995
POP3S
2020
ManageSieve Unix Domain Sockets opened by citserver:
Citadel
LMTP
LMPT bypassing the Spamassassin facilities

/usr/share/citadel-server/
Citadels Messages and help files
/var/lib/citadel/
Citadel data files
/var/run/citadel/
volatile files like the Unix Domain Sockets
/etc/citadel/
Citadel configuration files
/usr/local/citadel/
when compiled in non-LHFS mode, all of the above.
/etc/init.d/citadel/
init script for CitServer; add reboot-safe parameters here.
/etc/default/citadel/
Optoins to /etc/init.d/citadel/ in LHFS installations; \add commandline options here.

1987 - Now the Uncensored Communications Group