Changes since php >5.3

you need to deactivate E_DEPRECATED in php.ini. Otherwise you will only see

   [horde] Deprecated: Assigning the return value of new by reference is deprecated in /home/share/apache/webmail/lib/Horde/History.php

horde - main applikation
horde-sam - anti spam module
kronolith - calendar applikation
nag -
mnemo - notizoption
imp - mail
ingo - email filter

install all packages:

 apt-get install horde3, imp4,...\\

create database
create horde user
create tables from sql files

 /usr/share/doc/$horde-app/examples/scripts/sql/$yourdatabase.sql

remove first lines from conf.php login via web an do initial configuration.

“Register” the apps you need in

  /usr/share/horde3/config/registry.php

by changing the value status from inactive to active

Configure IMP by setting your preffered/need mailserver in /imp/config/servers.php