FAQ / Knowledge Base

Everyday Use

• Can I Create A "CatchAll" Email Address With Citadel?
• Citadel Sends My Mail Out With A Different "From:" Than I Specified In My Email Client.
• How do I create a Sub-Room?
• Getting email into Citadel; Sending email to the outside world =
• How do I Access Room Content Without Logging Into Webcit?
• How do I automatically forward all mail to a remote email address somewhere?
• How Do I Create A Public Mailbox To Be Accessed By Several Users?
• How Do I Disable The "Main Menu" In The Text-Mode Client?
• How do I Post Messages Via SMTP Mail Into A Room?
• How do i create two public email adrresses with same recipients but different domains?
• I'm Having Trouble With The External Editor In The Text Cit Client For MS Windows.
• How do I add an Invitation from Facebook to my personal Calendar?
• Configuring a Jabber client to access Citadel
• My Calendar Entries In KMail/Kontact Show Different Hours Than Webcit.
• where does citadel put postmaster messages? How can i change that?
• How do I aggregate RSS-Feeds into rooms?
• How do I best share Inboxes between several users?
• How do I .... with Citadels Serverside Mail Filtering?
• How do I ... in WebCit?
• How do I create a mailing list or distribution list?
• Isn't it illegal to run your own email server?

Getting your favorite client software working

• How do i use Citadel's XMPP/Jabber service with Irssi/Bitlbee?
• General Client Configuration Recomendations
• How do I use Citadel's calendar, address book, etc. from KOrganizer (or other GroupDAV client)?
• How can I import LDIF format contacts into an address book room?
• How do I retrieve mail from remote servers/accounts and file that mail into Citadel?
• I have duplicate mails in my 'Sent Items' folder. Why?
• VCards and Citadel
• How do I move all of my mail from a legacy mail server to Citadel?
• Can I connect to Citadel with Microsoft Outlook?
• "mutt" runs slow! Why?
• Using your Citadel calendar and contacts in Thunderbird
• What URL's do I use for 'webcal' publish/subscribe, with Mozilla Lightning/Sunbird, Apple iCal, etc.?
• When I send a message using Thunderbird, it hangs on "Copying message to Sent folder"
• Why don't I see my public folders when I connect with Novell/Ximian Evolution?

General Questions

• Can I install Citadel on a shared web hosting account?
• Can I Create a Bulletin Board Like PHPBB or Slashcode With Citadel?
• What programming language is Citadel written in?
• How do you base your claims that Citadel is "powerful and scalable?"
• What is the default Install Administrator Password / User?
• I want to automate certain stuff with the citadel server. How would i do that?
• What is "instant expunge" and when should I use it?
• Is Citadel web-based or text-based?
• What is the maximum size of a Citadel message store?
• How do I support mobile devices and push e-mail with the Citadel system?
• Can we use other databases (MariaDB, Postgres, etc.) with Citadel?
• I don't understand the rooms/floors thing. What's with all the weird terminology?
• When connecting to WebCit, the message "This program was unable to connect or stay connected to the Citadel server. Please report this problem to your system administrator" appears.
• Can I use WebCit with a non-Citadel IMAP service?
• What are the memory requirements?
• What is the difference between Citadel and Citadel/UX?
• What operating systems are supported?
• What source code license do you use?
• Where is 'home base' for Citadel?

Installation

• How can I install WebCit so it runs alongside Apache/Nginx/LightHTTPD on port 80 / 443?
• What are the different authentication modes and which one should I use?
• How Do I Compile The .debs From Source?
• Using QMail as a frontend MTA to Citadel
• Configuring Postfix to validate email addresses against a Citadel server.
• Does Citadel have a /usr/sbin/sendmail replacement, so that I can send mail out from shell scripts?
• How can I force the Easy Install system to reinstall the programs?
• Hints for installing Citadel on Mac OS
• How do I allow citadel users to login without my Unix/Linux system asking for a password?
• How do I enable "ANSI color" support?
• How do I get Citadel to answer telnet connections directly, without first requiring users to enter a username on the host system?
• How do I "uninstall" Citadel?
• I can't compile the program. What should I do?
• Installing Citadel on FreeBSD
• Install Citadel on RPM based distributions
• Easy Install gave me version X.XX but the download site only shows an earlier version available. Where can I get version X.XX?
• Is it necessary to use the 'citmail' MDA?
• Single sign-on with Citadel and Microsoft Active Directory
• Configuring Relaying
• How do I make WebCit use my prefered freedesktop.org Icontheme?
• Webcit users appear with the wrong Hostname in the whois online page.
• What's wrong when I get the message: Connection refused: can't connect to 127.0.0.1.citadel?
• When I telnet to the Citadel port I get something like "200 mysystemname Citadel server ready." Why?
• citserver fails to start, saying "Database contains compressed data, but this citserver was built without compression support."

Mastering your OS

• Debugging
• Libraries
• Networking
• Exploring the communication from your citadel server
• Checking what services are running

Spam filtering

• Blacklists (RBLs or DNSBL)
• Can I configure Citadel to use an antivirus program?
• Comercial Solutions
• Citadel DKIM/Domainkey signature HowTo
• Troubleshooting outbound email issues
• Fighting spam with qpsmtpd
• How do I recover from a spam attack?
• Spamassassin
• How can I plug sa-learn into Citadel to 'train' SpamAssassin?

System Administration

• Why does the message "Connection broken during SMTP conversation" appear in the SMTP queue listing?
• Why doesn't deleting messages free up disk space?
• Changing your citserver config the hard way
• An error occurs when an administrator attempts to create a new user
• I forgot my Aide Password, what can I do?
• How can I "batch create" a list of users on a new system?
• How do I configure email aliases for a user?
• How do i disable the system Sendmail on Freebsd?
• How do I expire messages
• How may I improve performance by placing the databases and/or database logs on separate disk subsystems?
• How to install an SSL certificate
• How do I configure LDAP authentication?
• Monitoring the Citadel system
• Why doesn't Citadel have the ability to enforce password strength?
• How can I set up a "hot standby" Citadel server?
• Citadel and systemd
• What is the best way to backup my Citadel installation?

Troubleshooting

• After upgrading, server fails with "citadel: Cannot install certificate: key values mismatch"
• Citadel bombs out with a segmentation fault during setup or when I attempt to run. What should I do?
• citserver crashes (when running on Debian Linux) when sending out Internet email. Fix?
• citserver fails to start with a message such as cdb_*:dbenv->open: Function not implemented
• How do I determine which installation method was used for my system?
• Exporting a message for a bug report
• I installed WebCit but when I try to connect with my browser it doesn't log in. Why?
• [ My server crashed | disk failure | other catastrophe ] and I don't have a backup of my Citadel; how can I get my data back?
• citserver fails to start, and an error message like "DB: Lock table is out of available object entries" appears in the log
• Outbound mail is not being delivered and/or is stuck in the queue
• setup crashes right after asking for the port number. How can I fix this?
• The client crashes when I hit 'Enter message.' How can I fix this?
• The client locks up when I attempt to Quote or Print. How can this be fixed?
• How do i track down or follow mesages or users?
• Inspecting internal information using Webcit
• WebCit appears to have gone haywire - markup is scattered all over the screen?
• Webcit built successfull with locale support, but it's nailed to one.
• Webcit doesn't open the addressbook popup