This script is for Slackware 13.37 and may be outdated.

SlackBuilds Repository

13.37 > Network > citadel (7.85)

Citadel is a turnkey open-source solution for email and collaboration.

It contains both the server and a text-mode client. You can build an entire
working system with this, or you can just build the client and connect to
some other existing system. It also provides connectivity through:

* SMTP (Port 25 by default)
* POP3 (Port 110 by default; SSL Enabled on port 995)
* IMAP (Port 143 by default; SSL Enabled on port 993)
* Citadel (Port 504; used by dedicated Citadel clients)
* SMTP-MSA (Port 587; requires SMTP authentication)
* ManageSieve (Port 2020; edit your mail filtering scripts with
your favorite GUI client)
* Postfix TCP dictionary (if you have an upstream mail hub running
Postfix, it can use this service to verify valid email addresses
on your Citadel)
* lmtp.socket (Local mail transport, for use with an external MTA
if for some reason you do not wish to use Citadel's built in SMTP
* lmtp-unfiltered.socket (same as above, but without spam filtering)
* citadel.socket (Citadel protocol)

After installation, run /opt/citadel/setup to configure Citadel.

Dependencies: libsieve libcitadel
Both available from

Maintained by: Roberto Metere
Keywords: citadel,email,groupware,calendaring,scheduling,address books,bulletin boards,mailing list server,instant messaging,IM,XMPP,multiple domain support
ChangeLog: citadel


Source Downloads:
citadel-7.85.tar.gz (c578393d76864ca5fae3ef4f8c244d15)

Download SlackBuild:
citadel.tar.gz.asc (FAQ)

(the SlackBuild does not include the source)

Individual Files:

Validated for Slackware 13.37

See our HOWTO for instructions on how to use the contents of this repository.

Access to the repository is available via:
ftp git cgit http rsync

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