Open WebMail is a webmail system based on the Neomail version 1.14 from Ernie Miller. Open WebMail is designed to manage very large mail folder files in a memory efficient way. It also provides a range of features to help users migrate smoothly from Microsoft Outlook to Open WebMail.


This site  Readme | Changes | Files | Faq | Copyright |
Official Forum  http://openwebmail.org/forum
Freshmeat  http://freshmeat.net/projects/openwebmail
Online Demo 


Please use mirror sites near you to avoid overload on official sites!
Sites URL Location Maintainer
Official http://openwebmail.org/openwebmail/ US Thomas Chung
Develop http://turtle.ee.ncku.edu.tw/openwebmail/ Taiwan openwebmail
1 http://openwebmail.luxadmin.org/ LUX http://www.luxadmin.org/
2 http://www.openwebmail.name/ Malaysia Ramli Mohd
3 http://www.phpproads.de Luxembourg LuxAdmin
4 http://dp.fce.vutbr.cz/openwebmail/ Brno, Czech Republic, Europe Pavel Schauer
5 http://openwebmail.lagmonster.org/ Los Angeles, USA Taz Meister
6 Kostenloses Browsergame San Diego, CA, USA Japheth Cleaver
7 http://www.pokerwelt.info Amsterdam, Netherlands Tino Donderwinkel
8 http://holodeck3.net/owmirror/ St. Petersburg, FL, USA http://www.holodeck3.net
9 online geld verdienen Jyvaskyla, Finland Pasi Sjoholm
10 http://www.energiekosten-vergleiche.eu/ Raleigh, NC Sam Gates
11 http://openwebmail.tolix.eu/ Burlingame, California, US http://www.tolix.eu
12 http://openwebmail.mirrorplus.org/ Munich, Germany A. Schweiss

FEATURES for Users

Auto Login

Each user can determinte if he want to enable the auto login feature in Open WebMail. When enabled, the user don't have type his username and password in every login to Open WebMail. Open WebMail will do this automatically for him. However, for security reason, the auto login reisebook.biz feature will be actived only if user doesn't log out in previous session and the previous session is still not timeouted. Further more, the sysadm can limit the range of IPs that are allowed to use the auto login feature.

Multiple Languages/Multiple Charsets

Open WebMail is currently available for more than 30 languages, and it is quite easy to add new language to Open WebMail if yours is still not supported. For languages with more than one charsets, Open WebMail will choose one as the default charset for the language. If a Server Holland message is written with charset other than the default, it will be converted to the default charset automatically.

Strong MIME Message Capability

Open WebMail has very well support for MIME messages. While most webmail packages present MIME messages poorly compared to traditional POP clients, Open Webmail Pokern im Internet presents MIME messages in an attractive format comparable to that presented by Microsoft Outlook. Either inline or uuencoded attachments are supported.

In addition to the presention, Open WebMail also allow user to compose complex HTML messages with inline attachments or external attachments. A friendly WYSIWYG editor HTMLArea 3.0 has been built into Open WebMail, the user can write HTML messages conformtably and easily without any knowledge of HTML tags. This HTML editor can be used on IE5.5+ for Windows or Mozilla1.3+ for all platforms :)

Full Content Search

Full content search with regular expression support is provided. When a user enters a keyword in the search box, the scope of the mail folder is limited to the keyword related messages. This Poker Online means the user can use the sort or static functions on the search result. The scope limit is released when the user selects another folder or refreshes the current folder. Aktuelle Casino Glücksspiele mit hohen Gewinnchancen und Top Bonuse

Draft Folder Support

This feature enables the user to write a message in a number of stages, even over several days. The user can save an unfinished message into the draft folder and continue editing at any time.

Confirm Reading Support

The user can request a 'confirm-reading receipt' for each message sent. When the message is read by the recipient, a receipt will be sent back to this user.

Spelling Check Support

The spelling check in Open WebMail is very user-friendly and powerful: It makes suggestions for mis-spelled words, and the user can correct the errors very easily by selecting one of the suggestions from a drop-down menu.

vCard compliant Addressbook

The addressbook is greatly improved by Alex Teslik since 10/30/2004. The new system implements a completely vCard compliant system that is extendable and modular. vCards can be exchanged with any contact software out in the mainstream. This brings OpenWebMail up to date with current address technology and allows sharing of addressbook information among users.

POP3 Support

Multiple POP3 accounts can be defined, allowing a single user to fetch mails from a number of mail servers. All messages fetched will be stored in the INBOX folder. Should the fetch operation exceed 10 seconds (due to a slow link or large message for example), the operation will be put into background to avoid an http timeout.

Mail Filter Support

Multiple filter rules can be set to move or copy incoming mails to different folders automatically or even delete them directly. The user can categorize mails from a specific person or spammer, and identify mails containing viruses very easily by defining rules of sender, receiver, SMTP relay, subject, body or filename of attachments.

In addition to the static filter rules, openwebmail has build-in five smart filters: repeatness filter, bad format from filter, faked smtp filter, faked from filter and faked exe contenttype filter. Repeatness filter, bad format from filter and faked SMTP filter are useful in filtering messages from spammer, faked from filter and faked exe contenttype filter are useful in filtering messages generated from virus.

Since mail filtering is activated only in Open WebMail, messages will stay in the INBOX until the user reads their mail with Open WebMail. 'finger' or other mail status check utilities may report new mail incorrectly, since they are not aware of filters: A command tool 'openwebmail-tool.pl' is provided for use as finger replacement, which performs mail filtering before reporting mail status.

AntiSpam Support through SpamAssassin

Open WebMail can use the SpamAssassin as the external spamcheck module to scan messages fetched from pop3 servers or all incoming messages. The SpamAssassin will determine a spamlevel for each scanned message based on its content. The user can define a spamlevel threshold for all his messages in Open WebMail, any message with spamlevel more than this threshold will be moved from INBOX to the SPAM folder automatically.

Open WebMail also supports the Spam/NotSpam Learning through the sa-learn program in SpamAssassin. In case the spamlevel determined by SpamAssassin is not very appropriate, the user can train the system by telling it to learn the messages as Spam or NotSpam.

AntiVirus Support through ClamAV

Open WebMail can use the ClamAV as the external viruscheck module to scan messages fetched from pop3 servers or all incoming messages. If a message or its attachments is found to have virus, Open WebMail will move the message from INBOX to the VIRUS folder automatically.

Calendar with Reminder/Notification Support

The user can keep track of their appointments, meetings, birthdays, whatever, with the build-in calendar in Open WebMail. This calendar provides several views, including year view, month view, week view and day view, so the user can browse their scheduled events very easily. There is also reminder support for scheduled events, user can specify the days that the reminder should look ahead and the first 5 upcoming events will be displayed in the top of mail folder view. If the user want the event reminder to be available outside the webmail system, he can also specify a notification email address, eg: the one used by mobile phone, for each scheduled event, so he can get notification of these events on his mobile phone.

Webdisk Support

The webdisk module provides a web interface for user to use his home directory as a virtual disk on the web. It is also designed as a storage of the mail attachments, the user can freely copy attachments between mail messages and the webdisk.

  • Spielautomaten im Internet werden immer beliebter,auch viele kostenlose Casino Spiele online spielen ohne Download direkt im Browser.

    The / of the virtual disk is mapped to the user's home directory, any item displayed in the virtual disk is actually located under the user home directory.

    Webdisk supports basic file operations, eg: mkdir, rmdir, copy, move, rm, file upload and download. Download of multiple files or directories is supported, webdisk compresses the files into a zip stream on the fly in the transmission. It also handle many types of archives, including zip, arj, rar, tar.gz, tar.bz, tar.bz2, tgz, tbz, gz, z.... The user can compress, decompress or list the contents of archives without copying them into his computer.

    HTTP Compression

    Open WebMail supports Webhosting compression of HTML content over HTTP. With compression turned on, the average page size has been reduced for over 80%. This feature effectively reduces the use of nework bandwidth between the client computer and the webmail server and is very useful for users with slow connection to the webmail server, eg: dialup users, PDA users.

  • FEATURES for System

    Fast Folder Access

    Folder access performance is greatly improved through the use of dbm (a simple database provided by perl). When a mail folder is selected in the folder view, Open WebMail will parse the mail folder file and cache the parsed result to a dbm. This dbm is reused whenever the user wants to access the folder. The dbm cache eliminates the scan of an entire folder for every access, a significant benefit when dealing with a large folders. The dbm is automatically synchronized with any changes to the folder itself; the dbm update is incremental if the folder modification is done by the Open WebMail application itself. The dbm will however be recreated when a folder is found to have been changed by an external program.

    Efficient Message Movement

    The size of a message will be slightly increased after it is read at the first time because of status change. A large movement of messages may be introduced due to the size change. Also, the user may want to move a group of messages between two folders. The routines for message update and movement have been totally rewritten so that minimal movement occurs, with correspondingly minimal memory utilization.

    Smaller Memory Footprint

    Much effort has been put into optimizing Open WebMail's memory utilization. The memory footprint of Open WebMail is much smaller than its predecessors when dealing with messages with large attachments (e.g. a 20MB document), as a result of which the application now runs smoothly on a medium sized machine, (e.g. a Celeron 300 with 128MB RAM).

    Graceful File Lock

    Since a mail folder may be used by multiple programs simultaneously, it is necessary to lock the file before accessing the folder. Open WebMail uses a blocking lock with a timeout limit of 60 seconds. It gives the lock a better chance of success than a nonblocking lock, which returns an error if the lock can not be acquired immediately. Open WebMail also supports locking by dotlock file to ensure that the file locking operates correctly on platforms operating with an incomplete implementation of NFS lockd.

    Persistent Running through SpeedyCGI

    SpeedyCGI is a way to run perl scripts persistently, which can make openwebmail run much more quickly. It uses machnism similar to mod_perl or scripte-shop.org. Open WebMail has been modified to work with SpeedyCGI. All you have to do is to install the SpeedyCGI package and change the interpreter for openwebmail scripts. Kevin L. Ellis has written a tutorial and benchmark for Open WebMail + SpeedyCGI.

    Remote SMTP Relaying

    With the help of Net::SMTP module, openwebmail can talk SMTP to SMTP daemons on either localhost or remote machine. This gives openwebmail the better compatibility with various SMTP daemons. The system administrator also has more flexibility when designing the mail service system.

    Various Authentication Modules

    Various authentication modules are directly available for openwebmail, including auth_unix.pl, auth_ldap.pl, auth_mysql.pl, auth_pgsql.pl and auth_pop3.pl, auth_vm-pop3d.pl. With these modules, openwebmail can be integrated with other systems easily.

    PAM support

    Openwebmail can also use other sources for authentication through the PAM (pluggable authentication module). Ex: NIS+, NIS, LDAP, Radius.... Solaris 2.6, Linux and FreeBSD 3.1 are known to support PAM. For more information about PAM, please see http://www.kernel.org/pub/linux/libs/pam/

    Virtual Hosting

    You can have as many virtual domains as you want on same server with only one copy of openwebmail installed. Open Webmail supports per domain config file. Each domain can have its own set of configuration options, including domainname, authentication module, quota limit, mailspooldir ...

    You can even setup mail accounts for users without creating real unix accounts for them. Please refer to Kevin Ellis's web page: "How to setup virtual users on Open WebMail using Postfix & vm-pop3d"

    User Alias

    Open Webmail can use the sendmail virtusertable for user alias mapping. The loginname typed by user may be pure name or name@somedomain. And this loginname can be mapped to another pure name or name@otherdomain in the virtusertable. This gives you the great flexibility in account management. For example, you may have john for different domains by actually mapping them to different real user ids.

      john@domain1.com	john1
      john@domain2.com	john2
      john@domain3.com	john3

    Pure Virtual User Support

    Pure virtual user means Indien Reise a mail user who can use pop3 or openwebmail to access his mails on the mail server but actually has no unix account on the server. Openwebmail pure virtual user support is currently available for system running vm-pop3d + PostFix. The authentication module auth_vdomain.pl is designed for this purpose. Openwebmail also provides the web interface which can be used to manage(add/delete/edit) these virtual users under various virtual domains. Kevin L. Ellis has written a tutorial for openwebmail + vm-pop3d + postfix for this.

    Per User Capability Configuration

    While options in system config file(openwebmail.conf) are applied to all users, you may find it useful to set the options on per user basis sometimes. For example, you may want to limit the Besuchen sie uns im Online Casino client ip access for some users or limit the domain which the user can sent to. This could be easily done with the per user config file support in Open Webmail.

    There are too many other small enhancements to mention. You may choose to find them by yourself...


    Open Webmail has the following modules to support different types of authentication:

    Name Description Maintainer
    auth_ldap.pl authenticate user with LDAP Ivan Cerrato
    auth_ldap_vpopmail.pl authenticate user with LDAP for vpopmail Andrea Siviero
    auth_mysql.pl authenticate user with MySQL (through DBD::MySQL interface) Alan Sung
    auth_mysql_postnuke.pl authenticate user with MySQL in PostNuke (through DBD::MySQL interface) Didier MICHAUT
    auth_mysql_vmail.pl authenticate user with MySQL under vmail (through DBD::MySQL interface) Zoltan Kovacs
    auth_nis.pl authenticate user with yppoppassd on NIS/YP server Vladimir M Costa
    auth_pam.pl authenticate user with PAM openwebmail, Taco Scargo
    auth_pgsql.pl authenticate user with PostgreSQL (through DBD::Pg interface)) Oliver Smith
    auth_pgsql.pl authenticate user with PostgreSQL (through native interface) Veselin Slavov
    auth_pop3.pl authenticate user through pop3 server openwebmail
    auth_unix.pl authenticate user with unix passwd openwebmail, Trevor Paquett
    auth_vdomain.pl authenticate user of virtual domain on system running vm-pop3d & postfix openwebmail


    Open Webmail is available for the following languages:

    Language Abbreviation Charset Lang/Templates Translation Help Translation
    Arabic - Windows ar.CP1256 windows-1256 01/24/2005 Isam Ishaq  
    Arabic - ISO 8859-6 ar.ISO8859-6 iso-8859-6 01/24/2005 Isam Ishaq  
    Bulgarian bg windows-1251 02/15/2005 Veselin Slavov  
    Catalan ca iso-8859-1 02/23/2005 Jordi Sanfeliu,
    05/21/2002 Jordi Vidal
    Czech cs iso-8859-2 03/03/2005 Milan Kerslager,
    02/25/2003 Pavel Schauer,
    01/06/2003 Jan Bilik,
    11/15/2001 Michal Drapak
    Chinese - Simplified zh_CN.GB2312 gb2312 09/04/2004 Wang Jun Wang Jun
    Chinese - Simplified - Unicode zh_CN.utf8 utf-8 from zh_CN.GB2312  
    Chinese - Traditional zh_TW.Big5 big5 up to date openwebmail Alex Huang
    Chinese - Traditional - Unicode zh_TW.utf8 utf-8 from zh_TW.Big5  
    Croatian hr iso-8859-2 01/28/2005 Igor Zivkovic  
    Danish da iso-8859-1 03/11/2005 Gunner Poulsen,
    03/05/2003 Frank
    Deutsch de iso-8859-1 02/13/2005 Martin Bronk,
    09/13/2003 Markus Zander,
    02/08/2003 Christian Schoepplein,
    06/14/2001 Andreas Roedl
    Dutch nl iso-8859-1 01/28/2005 Jeroen Visser and Robert den Ouden,
    10/12/2001 Christian Boer,
    06/28/2001 Michiel van Slobbe
    Jeroen Visser and Robert den Ouden
    English en iso-8859-1 up to date openwebmail William Brillinger,
    Brent Epp
    Finnish fi iso-8859-1 12/30/2004 Pasi Sjoholm,
    11/20/2002 Kari Paivarinta,
    02/19/2002 Jouni Kivilahti,
    02/19/2002 Helja Laitinen
    French fr iso-8859-1 02/24/2005 Dominique Fournier,
    09/26/2004 Nabil SEFRIOUI,
    01/22/2003 Stephane HERMET,
    03/21/2002 Cyril Sabatier
    Frederic GLISE
    Hellenic/Greek el iso-8859-7 02/16/2005 Dimitris sehh Michelinakis  
    Hebrew - Windows he.CP1255 windows-1255 09/27/2003 Yehuda Drori, Shay Sevet  
    Hebrew - ISO 8859-8 he.ISO8859-8 iso-8859-8 03/26/2003 Yehuda Drori  
    Hungarian hu iso-8859-2 04/29/2005 Posz Marton,
    02/21/2003 Peter Gervai,
    01/29/2003 Nagy Endre
    Indonesian id iso-8859-1 04/29/2005 Captain James,
    04/02/2002 Hu-Wei Liang
    Captain James
    Italian it iso-8859-1 11/25/2004 Benedet Marvi  
    Japanese - ShiftJIS ja_JP.Shift_JIS shift_jis from ja_JP.utf8  
    Japanese - eucJP ja_JP.eucJP euc-jp from ja_JP.utf8  
    Japanese - Unicode ja_JP.utf8 utf-8 12/23/2004 Hidetoshi,
    04/25/2003 Captain James and Interactive Artists, LLC
    Korean ko euc-kr 03/11/2005 Sungjun Park,
    06/24/2003 Thomas Chung,
    12/31/2001 Moonsang Kwon
    Lithuanian lt windows-1257 01/16/2003 Alvydas Sinkunas  
    Norwegian no iso-8859-1 12/19/2003 Are Tysland  
    Polish pl iso-8859-2 02/13/2005 Pawel Foremski,
    08/18/2004 Mikolaj Menke,
    03/13/2003 Pawel Jablonski,
    06/03/2002 Grzegorz Nosek,
    04/26/2002 Michal Talecki
    Portuguese pt iso-8859-1 06/18/2003 Jose Ferradeira  
    Portuguese Brazil pt_BR iso-8859-1 05/12/2005 Julio Cesar Cunha,
    02/25/2003 Vladimir M Costa,
    08/28/2002 Rui - iG,
    09/20/2001 Edison Figueira Junior
    Edison Figueira Junior
    Romanian ro iso-8859-2 02/23/2005 Gabriel Hojda,
    07/04/2003 Zeno Popovici,
    06/03/2002 Vladimir Hrusca
    Romanian -Unicode ro.utf8 utf-8 02/23/2005 Gabriel Hojda  
    Russian ru koi8-r 08/22/2004 Oleg Dzyza,
    03/07/2002 Denis Mysenko
    Serbian sr iso-8859-2 07/27/2004 Aleksandar Pejic  
    Slovak sk iso-8859-2 06/18/2004 Peter Sedivy,
    09/13/2003 Lubos Klokner
    Slovenian sl windows-1250 02/15/2005 Uros Sajko  
    Spanish es iso-8859-1 02/23/2005 Javier Smaldone Javier Smaldone
    Swedish sv iso-8859-1 07/22/2001 Goran Jartin  
    Thai th tis-620 06/24/2005 Atsawin Chaowanakritsanakul  
    Turkish tr iso-8859-9 01/29/2003 Erdinc Guler  
    Ukrainian uk koi8-u 05/25/2003 Volodymyr M. Lisivka  
    Urdu ur utf-8 03/29/2003 Muhammad Umair Abbasi  

    Some Language Charset Resources are available at

    IANA: Official Names for Character Sets
    W3C: Charsets supported by some popular HTML applications
    W3C: Languages, countries and the charsets typically used
    Mirosoft: Character Set Recognition
    Mirosoft: Valid Locale Identifiers

    Icon Sets

    Open Webmail has the following iconsets which could be choosed in per user preference.

    Iconsec Name Creator/Maintainer
    Adjunct.(Blue|Metal|Silver) 01/27/2004 Sergio Bukhgalter
    Cool3D up to date Emir Litric, openwebmail
    Cool3D.Czech 09/14/2004 Jan Bilik
    Cool3D.Chinese.Simplified 10/19/2002 Compass Studio WebMail System
    up to date openwebmail
    Cool3D.Danish 02/18/2005 Gunner Poulsen
    Cool3D.Deutsch 01/05/2005 Martin Bronk,
    08/05/2002 Ralf Becker
    Cool3D.Dutch 08/23/2002 Jan Houtsma
    Cool3D.English up to date openwebmail
    Cool3D.Hellenic 10/04/2004 Dimitris sehh Michelinakis
    Cool3D.Hebrew 09/27/2003 Yehuda Drori
    Cool3D.Italian 07/26/2002 Andrea Partinico
    Cool3D.Japan 12/23/2004 Hidetoshi
    Cool3D.Korean 11/02/2003 Youngho Kang
    Cool3D.Norwegian 06/18/2002 Are Tysland
    Cool3D.Polish 05/06/2005 Tomasz Wieckowski
    Cool3D.Portuguese.Brazilian 10/30/2004 Julio Cesar Cunha, Jordi S. Bunster
    Cool3D.Russian 01/20/2005 Oleg Dzyza
    Cool3D.Slovak 11/23/2002 Lubos Klokner
    Cool3D.Spanish 12/05/2004 Jaime Caballero
    Cool3D.Turkish 07/28/2002 Erdinc Guler
    Cool3D.Urdu 05/25/2003 Muhammad Umair Abbasi
    Default up to date Emir Litric, openwebmail
    Default.Chinese.Traditional up to date openwebmail
    Default.Deutsch 08/05/2002 Ralf Becker
    Default.Norwegian 08/20/2002 Are Tysland
    Default.Polish 05/10/2005 Tomasz Wieckowski
    Default.Slovak 11/23/2002 Lubos Klokner
    Default.Spanish 12/26/2001 Javier Smaldone
    XP.(Blue|Green|Purple|Red) 03/03/2003 Alexander Mutsaers


    • Thanks to Ernie Miller. His great work provided the solid foundation upon which Open WebMail was built. Without Neomail, there would be no Open WebMail.
    • Thanks to Michael Arndt. The web calendar support in openwebmail is based on his great code in WebCal 1.12.
    • Thanks to Joshua Cantara, the web based spelling check is based on his code in WBOSS 1.5a.
    • Thanks to Sam Horrocks. who wrote the SpeedyCGI package, which is a perl accelerator by making script resident in memory. It improves the performance of Open WebMail for 5x-10x speedup. Sam also provided the fix for setuid scripts to us, so Open WebMail can be used with SpeedyCGI on Solaris.
    • Thanks to . who wrote the great HTMLArea editor, and released it under BSD like licence. The HTML message composing support in openwebmail is based on this wonderful product.
    • Thanks to Mats Andersson, who wrote the , a SSH client implemented as a Java applet, and released it under GPL. The SSH terminal support in openwebmail is actually using the great software.
    • Thanks to
    • Nikolay Pelov, the PAM support in openwebmail is mostly from the example code in his perl Authen::PAM module.



    • Thanks to Thomas Chung, who donated the domain openwebmail.biz to the Open Webmail project, setup openwebmail.biz site and maintained autos09.de the RPM package for Open Webmail on RedHat/Linux platform. He also helped other users to solve problems on installing Open Webmail. Thank you, Thomas!
    • Thanks to Emir Litric for his great works of art. He made all the great 3D icons and the many fancy styles in Open WebMail, and maintained the doc/RedHat-README.txt. He is now one of the authors of Open Webmail.
    • Thanks to Dattola Filippo, who wrote the advanced search module and stationery module in the openwebmail. He also wrote the patch to support mark read operation on whole folder, save message to draft if sendmail error and fixed the bug that the ' and \ chars in filterrule will be eat by javascript
    • Thanks to reiseplanen.org, who wrote the vdomain module which can be used to manage the vm-pop3d/postfix virtual domain users.
    • Thanks to Scott Mazur who has written the openwebmail-vdomain.pl to add the forward, autoreply and vdomain_mailbox_command support for vdomain users. He also made a lot changes to the core system for better performance.
    • Thanks to Auktionshaus Software who has implemented the new vCard compliant addressbook system for openwebmail, he also greatly improved the web calendar by writing the new dayview code, item update routines and DHTML popup calendar support.
    • Thanks to Brent Epp and William Brillinger of flug angebote, Altona, Manitoba, Canada., who wrote the great help tutorial for openwebmail.
    • Thanks to Poker Clubs who has had hosted hardware, DNS and bandwidth for for over 18 months.
      Thanks to Internet-Webhosting.eu for their consulting expertise and operational support.
    • Thanks to Russ Reese, the login alias/mapping is based on his patch code and idea.
    • Thanks to Dugal James P., who submitted the patches for PAM support, automated DST adjustment, internal msg detection on Solaris dtmail, disallowed_pop3servers option, fix for passwdfile in NIS+, fix for user homedir in sun automounter and fix to the content-type header error in attachment downloading.
    • Thanks to Raul Monferrer, who submitted the patch for multiple dictionaries support in spellcheck.
    • Thanks to James Dean Palmer, who contributed the support for new mail headers: In-Reply-To, References and X-Status. He also wrote a new sort method "by thread" for folderview, added the 'A' flag display of answered messages and made the from column more concise by cutting it off at .AT. symbol if it is a pure address.
    • Thanks to Nimal Ratnayake, who submitted the patch for .forward editing.
    • Thanks to Chen-hsiu Huang, who fixed the templates to solve the display problem on Mozilla/Netscape browser and added support for 'markasread'.
    • Thanks to Carl Olsen, who contributed the code of using Net::SMTP module. This allows openwebmail to use other host as SMTP relay for mail sending.
    • Thanks to Brian Suttonb, who contributed the Hotmail style definition file.
    • Thanks to Ivan Cerrato, who contributed the LDAP authentication module(auth_ldap.pl) and script add_user.pl to add an user account on a LDAP server
    • Thanks to Volodymyr M. Lisivka, who patched the openwebmail-spell.pl to check vocabularies composed by characters other than English letters.
    • Thanks to Frank.AT.post12.tele.dk, who has fixed a lot of bugs in checkmail.pl so it can work correctly with server of pure virtual user configuration. He also provided the idea and code for disable_embedded_CGI option and suggested the use of $ENV{SCRIPT_FILENAME} so *.pl can find required modules automatically
    • Thanks to Chris Heegard, who provided the information of how to use openwebmail on Mac OS X and suggested the use of wrapsuid.pl to generate C wrappers for suid scripts.
    • Thanks to A.Johnson Jeba Asir, who fixed the hang problem in attachment uploading caused by a bug in encode_base64() in mime.pl
    • who fixed the bug related to the variable localization behavior in 'foreach' statement.
    • Thanks to Oliver Schindler, who helped to debug the insecure dependence error due to tainted variables
    • Thanks to Veselin Slavov, who contributed the PostgreSQL authentication module (auth_pg.pl, pgsql interface) and submitted the patch to add selection menu of logindomain at login
    • Thanks to Kelson Vibber, who fixed a serious bug in auth_ldap.pl, a bug in smiley code in readmessage and added %1 variable support to virtusertable
    • Thanks to , who made fix for option domainname_override and folderusage_threshold and the auth_module auth_unix_cobalt.pl for Cobalt server.
    • Thanks to Webhoster Software, who made the mkcool3d_en.sh and mkcool3d_it.sh under uty/, which can be used to generate the Cool3D iconsets for different languages. The Cool3D.Large.English and Cool3D.Italian is made with these scripts.
    • Thanks to , who donated the openwebmail.con domainname to this project.
    • Thanks to Ralf Becker, who submitted the patch that added preliminary subdir support to mailfolder.
    • Thanks to , who provided the great help in testing and debugging the charset conversion for Japanese language.
    • Thanks to who provided suggestions and helped openwebmail to support languages in RTL(right-to-left) mode, eg: Arabic, Hebrew.
    • Thanks to who provided the enhance code to addressbook popup window. The user can set default filter for listed entries, and the checked entries will be remembered even after filter statement is changed.
    • Thanks to who added the personal dictionary support to spellcheck
    • Thanks to Dao-hui Chen who added the SSL support for pop3 messages retrival.


    If you encountered any problem with Open Webmail, please check changes.txt to see if the problem is fixed in the latest current version. If not, try the readme.txt and faq.txt.
    If you want to seek help, please post your problem in the openwebmail forum.
    If you want to submit patch or bug-report, please email to openwebmail.AT.turtle.ee.ncku.edu.tw
    If you want to mirror this site, please use this script.

    Please DO NOT email questions/problems to openwebmail.AT.turtle.ee.ncku.edu.tw or the authors directly, they will be just simplely ignored. We would prefer to do the discussion on the forum thus the information could be shared by others.


    The Open WebMail is brought to you by

    Chung-Kie Tung 董仲愷
    Nai-Jung Kuo 郭乃榮
    Chao-Chiu Wang 王詔丘
    Emir Litric  
    Thomas Chung  
    Filippo Dattola  
    Bernd Bass  
    Scott Mazur  
    Alex Teslik  

    Distributed System Laboratory
    Department of Electrical Engineering
    National Cheng-Kung University, Tainan, Taiwan, R.O.C.


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