---
name: "citserver"
section: "8"
platform: "linux"
package: "citadel-server"
version: "917-2+b1"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/citserver"
---

# citserver(8)

Core of the Citadel Suite.

## NAME

citserver - Core of the Citadel Suite.

## SYNOPSIS

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

## DESCRIPTION

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

- SwitchResult

  - **-l**

  Log facility. Usually "mail"

- **-d**

  daemonize (detach from controlling terminal)

- **-D**

  print the directories the server would access to stderr on startup

- **-t\[TraceFile\]**

  Send log messages to a file instead of syslog

- **-x\[LogLevel\]**

  Verbosity level of logging (0 to 9)

- **-h\[HomeDir\]**

  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.

## DEFAULTS

Default port bindings opened by citserver:

- PortDescription

  - **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:

- Socket namePurpose

  - **citadel.socket**

  Citadel

- **lmtp.socket**

  LMTP

- **lmtp-unfiltered.socket**

  LMPT bypassing the Spamassassin facilities

## FILES

- */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.

## HISTORY

1987 - Now the Uncensored Communications Group