View the most recent changes for the maildrop port at: maildrop.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for maildrop.
The raw portfile for maildrop 2.2.0 is located here:
http://maildrop.darwinports.com/dports/mail/maildrop/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/maildrop

The maildrop Portfile 56675 2009-09-01 00:20:53Z toby macports.org $

PortSystem 1.0

Name: maildrop
Version: 2.2.0
Revision: 2
Category: mail
Maintainers: tnpi.biz:matt
Description: Mail delivery agent (MDA) with filtering abilities
Long Description: ${description}
Homepage: http://www.courier-mta.org/maildrop/
Platform: darwin
Master Sites: sourceforge:courier
use_bzip2 yes
Checksums: md5 1fd5293c73adb64a01cb3d3e59e54618 sha1 a6af98724fda72c4d1ebfd6e6f5fc5f38caf9e38 rmd160 8c715af18693c375ca197450cdb57e39813ea8cd
configure.args --mandir=${prefix}/share/man --with-etcdir=${prefix}/etc --enable-syslog=1
depends_lib port:pcre port:gdbm

Variant: vpopmail description {For use with vpopmail} {
configure.args-append --enable-maildrop-gid=vchkpw
}

Variant: qmail description {For use with qmail-spamcontrol} {
depends_lib-append port:qmail-spamcontrol
configure.args-append --enable-sendmail=${prefix}/var/qmail/bin/sendmail
}

pre-configure {
if {[variant_isset vpopmail]} {
addgroup vchkpw gid=2109
}
}

post-install {
ui_msg "\n
Please note the default maildrop mailfilter is in the
${prefix}/etc directory.
\n"
}

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/maildrop
%  sudo port install maildrop  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching maildrop
--->  Verifying checksum for maildrop
--->  Extracting maildrop
--->  Configuring maildrop
--->  Building maildrop with target all

--->  Staging maildrop into destroot

--->  Installing maildrop

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using maildrop with these commands:

%  man maildrop
%  apropos maildrop
%  which maildrop
%  locate maildrop

 Where to find more information: