ATTENTION:

Do not forget to read %%PREFIX%%/doc/QLDAPINSTALL. After all,
this is NOT our old stock qmail. And, %%PREFIX%%/doc/ANTISPAM
for some antispam control measures.

The qmail.schema file was copied to %%DOCSDIR%%. Remember
to copy it to ldap's schema directory

You can enable qmail as your default mailer executing:
> %%PREFIX%%/scripts/enable-qmail

=====><=====

If you've built this port with TLS support (WITH_TLS=yes)

==> You will need to provide a working certificate in %%PREFIX%%/control/cert.pem :

# makes a self-signed certificate
3) do "make certificate"

# makes a certificate request
4) do "make certificate-req"

=====><=====

Now, you need to use it. Check a little FreeBSD specific how-to at
http://freebsd.cg.nu/postfixqmail-ldap.html