Install Ubuntu Server 13.04 with openssh-server selected during setup, update & upgrade it.
Install necessary software:
$sudo apt-get install build-essential pmtools libterm-readline-perl-perl libterm-readline-gnu-perl libyaml-perl libtext-glob-perl libnumber-compare-perl libio-compress-perl libemail-mime-perl libemail-send-perl libemail-valid-perl libfile-readbackwards-perl libwww-perl libmime-types-perl libmail-dkim-perl libmail-spf-perl libmail-srs-perl libnet-cidr-lite-perl libnet-dns-perl libnet-ldap-perl libnet-smtp-server-perl libthreads-perl libthread-queue-any-perl libtie-dbi-perl libschedule-cron-perl libio-socket-ssl-perl libdbd-anydata-perl libdbd-csv-perl libdbd-ldap-perl libdbd-mock-perl libdbd-odbc-perl libdbd-mysql-perl libfile-find-rule-perl libfile-slurp-perl libfile-which-perl libfile-chmod-perl liblinux-usermod-perl libcrypt-rc4-perl libtext-pdf-perl libsmart-comments-perl libcam-pdf-perl libpdf-api2-perl imagemagick perlmagick poppler-utils xpdf libauthen-sasl-perl libnet-snmp-perl libsnmp-base libsnmp-dev libsnmp-perl snmp libsnmp-*-perl libsnmpkit-dev libregexp-optimizer-perl libnet-smtp-tls-perl liblingua-stem-snowball-perl liblingua-identify-perl unzip libberkeleydb-perl
$ sudo apt-get install tesseract-ocr tesseract-ocr-*
$ sudo apt-get install libmodule-signature-perl libtest-pod-perl libtest-pod-coverage-perl libarchive-zip-perl
$ sudo apt-get install libssl-dev
$ sudo cpan
[…]
Would you like to configure as much as possible automatically? [yes]
[…]
Would you like me to automatically choose some CPAN mirror
sites for you? (This means connecting to the Internet) [yes]
cpan> install Test::Perl::Critic
cpan> install CPAN
cpan> reload cpan
cpan> force install Mail::SPF::Query
cpan> install Net::IP::Match::Regexp Net::SenderBase Net::Syslog Thread::State Sys::MemInfo Crypt::CBC Crypt::OpenSSL::AES DBD::Log DBD::MVS_FTPSQL DBD::Multiplex DBD::Ovrimos DBD::PgPP DBD::Sprite DBD::Template DBD::mysqlPP DBIx::AnyDBD LEOCHARRE::DEBUG LEOCHARRE::CLI PDF::Burst Image::OCR::Tesseract PDF::GetImages PDF::OCR PDF::OCR2 Mail::DKIM::Verifier Convert::Scalar Unicode::GCString Sys::CpuAffinity
cpan> exit
$ sudo apt-get install clamav clamav-daemon
$ sudo freshclam
$ sudo /etc/init.d/clamav-daemon start
$ sudo apt-get install libfile-scan-perl
$ sudo cpan
cpan[1]> test File::Scan::ClamAV
cpan[1]> look File::Scan::ClamAV
root@antispam:~/.cpan/build/File-Scan-ClamAV-1.91-Ik8fWD# make install
root@antispam:~/.cpan/build/File-Scan-ClamAV-1.91-Ik8fWD# exit
cpan[1]> exit
$ wget http://kaz.dl.sourceforge.net/project/assp/ASSP%20V2%20multithreading/2.3.3%2013137/ASSP_2.3.3_13137_install.zip
$ unzip ASSP_2.3.3_13137_install.zip
$ sudo mkdir -p /usr/share/assp
$ sudo mv -f assp/* /usr/share/assp
$ rm -rf assp ASSP_2.3.3_13137_install.zip Install.txt MacOSX-launchd.txt quickstart.txt Win32-quickstart-guide.txt
$ sudo chown -R nobody:nogroup /usr/share/assp
$ sudo chmod 755 /usr/share/assp/assp.pl
$ sudo nano /etc/init.d/assp
Contents:
===
#!/bin/sh -e
# Start or stop ASSP
#
# original version by Ivo Schaap <ivo@lineau.nl> had issues on Debian4. Modified by atramos.
#
### BEGIN INIT INFO
# Provides: ASSP (Anti-Spam SMTP Proxy)
# Required-Start: $syslog, $local_fs
# Required-Stop: $syslog, $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start ASSP
# Description: Enable service provided by daemon.
### END INIT INFO
PATH=/bin:/usr/bin:/sbin:/usr/sbin
case “$1” in
start)
echo -n “Starting the Anti-Spam SMTP Proxy”
cd /usr/share/assp
perl assp.pl 2>&1 > /dev/null &
;;
stop)
echo -n “Stopping the Anti-Spam SMTP Proxy”
kill -9 ps ax | grep "perl assp.pl" | grep -v grep | awk '{ print $1 }'
;;
restart)
$0 stop || true
$0 start
;;
*)
echo “Usage: /etc/init.d/assp {start|stop|restart}”
exit 1
;;
esac
exit 0
===
$ sudo chmod 755 /etc/init.d/assp
$ sudo /usr/share/assp/assp.pl
all must be [OK]
press Ctrl+C
$ sudo update-rc.d assp defaults
$ sudo /etc/init.d/assp start
go to antispam_host:55555
login:root
pass:nospam4me
Enjoy!
Credit: vladon