Instalando o SPF

Postfix - Filtrando SPAM com SPF

perl -MCPAN -e'CPAN::Shell->install("version")' && \
perl -MCPAN -e'CPAN::Shell->install("NetAddr::IP")' && \
perl -MCPAN -e'CPAN::Shell->install("Module::Build")' && \
perl -MCPAN -e'CPAN::Shell->install("Digest::SHA1")' && \
perl -MCPAN -e'CPAN::Shell->install("Digest::HMAC_MD5")' && \
perl -MCPAN -e'CPAN::Shell->install("Net::IP")' && \
perl -MCPAN -e'CPAN::Shell->install("Net::DNS")' || (cd /root/.cpan/build/Net-DNS-0.59/ && make install) && \
perl -MCPAN -e'CPAN::Shell->install("Net::DNS::Resolver::Programmable")' && \
perl -MCPAN -e'CPAN::Shell->install("Error")' && \
perl -MCPAN -e'CPAN::Shell->install("URI")' && \
perl -MCPAN -e'CPAN::Shell->install("Mail::SPF")'
cd /usr/src && \
wget -c http://www.openspf.org/source/software/postfix-policyd-spf-perl.tar.gz?view=tar && \
mv postfix-policyd-spf-perl.tar.gz\?view\=tar postfix-policyd-spf-perl.tar.gz && \
tar xvfz postfix-policyd-spf-perl.tar.gz && \
cd postfix-policyd-spf-perl/trunk && \
perl -c postfix-policyd-spf-perl && cp -iv postfix-policyd-spf-perl /usr/libexec/postfix/policyd-spf-perl
if [ `grep policyd-spf-perl /etc/postfix/master.cf | wc -l` -le 0 ];
then
echo "policy unix - n n - - spawn" >> /etc/postfix/master.cf
echo " user=nobody argv=/usr/bin/perl /usr/libexec/postfix/policyd-spf-perl" >> /etc/postfix/master.cf
fi

#
# NO main.cf
#
# reject_unauth_destination
# check_policy_service unix:private/policy

Para testar execute o comando:
echo "request=smtpd_access_policy
protocol_state=RCPT
protocol_name=SMTP
helo_name=test@test.com
queue_id=8045F2AB23
sender=teste@evandro.net
recipient=teste@test.com
client_address=200.242.242.2
client_name=srv1.unimedbelem.com.br
" | perl /usr/libexec/postfix/policyd-spf-perl

Assistente para gerar o registro TXT com as informações do SPF:
http://www.openspf.org/wizard.html

Assistente da Microsoft para gerar o registro TXT com as informações do SPF:
http://www.microsoft.com/mscorp/safety/content/technologies/senderid/wizard/default.aspx

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