FAQ for EL7 =========== by Thomas Chung created 2016.04.11 updated 2019.11.05 Q: I'm getting following Software Error when I click on AddressBook Software error: Can't locate Data/Dumper.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5) at /var/www/cgi-bin/openwebmail/.openwebmail-abook.pl line 21. BEGIN failed--compilation aborted at /var/www/cgi-bin/openwebmail/.openwebmail-abook.pl line 21. A: Apparently, "Data/Dumper.pm" perl module is missing in perl-5.16.3 package in EL7 To install this missing perl module in EL7, issue following command: # yum install perl-Data-Dumper Sorry, I'll fix this dependency in the future release UPDATE: above issue has been fixed in 2.54-2.el7 == Q. How do I change Logo and the link in the WebMai login page? A. It's easy. Edit following values in the config file. # cat /var/www/cgi-bin/openwebmail/etc/openwebmail.conf | grep logo logo_url %ow_htmlurl%/images/openwebmail.gif logo_link http://openwebmail.org