How to install Open Webmail on Red Hat Linux 8.0 ================================================= By Thomas Chung (tchung AT openwebmail.org) Last Updated 2003-06-14 ************ Special Message from the Developer ******************* There is a bug in tell() in perl 5.8 which would return wrong offset if it is called after open(F, ">>file"); This is a serious bug which may corrup the folder file in some case. If you are using perl 5.8 (eg: RedHat 8.0 uses perl 5.8 by default) a. upgrade your openwebmail to the latest version (1.81 or higher) as soon as possible b. try to find a bug fix for your perl since other applications written by perl may operate inproperly due to this bug (by running "openwebmail-tool.pl --init") ********************************************************************** pre-requisites: httpd-2.0.40-8.i386.rpm and httpd service is running sendmail-8.12.5-7.i386.rpm and sendmail service is running 1. install all perl rpm packages if you haven't installed yet. 2. install the latest openwebmail rpm build from daily build directory 3. initialize openwebmail database using openwebmail-tool.pl cd /var/www/cgi-bin/openwebmail ./openwebmail-tool.pl --init 3.1) change the following 3 options in openwebmail.conf from dbm_ext .db dbmopen_ext none dbmopen_haslock no to dbm_ext .db dbmopen_ext %dbm_ext% dbmopen_haslock yes (UPDATE: if you don't have following file, skip step 4.2 and 4.3) 3.2) modify /usr/lib/perl5/5.8.0/i386-linux-thread-multi/DB_File.pm by adding $arg[3] = 0666 unless defined $arg[3]; before the following text (line 250) # make recno in Berkeley DB version 2 work like recno in version 1 3.3) execute './openwebmail-tool.pl --init' again You won't see the same suggestion for changes or modification. 4. create a user account if you haven't created one yet 5. login to openwebmail using a user account http://localhost.localdomain/cgi-bin/openwebmail/openwebmail.pl For Virtual Hosting Domains =========================== If you are hosting mutiple domains with virtualHost directive, add following lines in httpd.conf to access openwebmail login screen for each domain. ex) http://domain.com/webmail # Open Webmail ScriptAlias, Alias ScriptAlias /webmail "/var/www/cgi-bin/openwebmail/openwebmail.pl" Alias /data "/var/www/data" Don't forget to restart httpd.