DOVECOT con supporto mysql
La stessa cosa vista x postfix la si può fare x Dovecot:
wget http://download.fedora.redhat.com/pub/fedora/linux/core/development/source/SRPMS/dovecot-1.0-2.rc17.fc7.src.rpm
rpm -Uhv dovecot-1.0-2.rc17.fc7.src.rpm
wget http://www.dovecot.org/releases/dovecot-1.0.rc22.tar.gz
cp dovecot-1.0.rc22.tar.gz /usr/src/redhat/SOURCES/
cd /usr/src/redhat/SPECS
vi dovecot.specs
cambio
%define build_postgres 0
Release .......
yum install gettext-devel
rpmbuild -ba dovecot.specs
rpmbuild -bb dovecot.specs
cd /usr/src/redhat/RPMS/i386/
rpm -Uhv ./dovecot-*
Seguo http://wiki.dovecot.org/DovecotLDAPostfixAdminMySQL