Platform Specific
Red Hat
Fedora Core
SuSE
General
If the mta won't start, make sure that the libraries are being found:
postfix start
If you get errors like:
/opt/zimbra/postfix-2.2.5/sbin/postsuper: error while loading shared libraries: libldap-2.2.so.7: cannot open shared object file: No such file or directory /opt/zimbra/postfix-2.2.5/sbin/postalias: error while loading shared libraries: libldap-2.2.so.7: cannot open shared object file: No such file or directory /opt/zimbra/postfix-2.2.5/sbin/postfix: error while loading shared libraries: libldap-2.2.so.7: cannot open shared object file: No such file or directory
Verify that /etc/ld.so.conf contains:
/opt/zimbra/lib /opt/zimbra/sleepycat/lib /opt/zimbra/openldap/lib /opt/zimbra/cyrus-sasl/lib
then run ldconfig (as root).