{"id":38,"date":"2004-06-29T06:14:47","date_gmt":"2004-06-29T06:14:47","guid":{"rendered":"http:\/\/www.noidea.us\/wordpress\/?p=38"},"modified":"2004-06-29T06:14:47","modified_gmt":"2004-06-29T06:14:47","slug":"creating-a-mail-gateway-for-microsoft-exchange","status":"publish","type":"post","link":"http:\/\/www.noidea.us\/wordpress\/2004\/06\/creating-a-mail-gateway-for-microsoft-exchange\/","title":{"rendered":"Creating a Mail Gateway for Microsoft Exchange"},"content":{"rendered":"

\n\n\n

\n\n\n

Setting Up a Spam-Filtering Mail Gateway<\/h1>\n\n
\n\n\n

For Microsoft Exchange<\/h1>\n\n
\n\n\n

Using Fedora Core 1, Postfix 2.0.19,<\/h1>\n\n
\n\n\n

Amavisd-New and Razor2<\/h1>\n\n
\n\n\n

\n\n\n

\nIf you find this document useful, or have any additions or corrections, please send a message to the Webmaster.<\/i>\n\n

\n\n\n

Document Conventions<\/h2>\n\n
\nConfiguration filename–link to example file<\/a>\n\n\nCommand prompt<\/span>\n\n\nCommand typed by user<\/span>\n\n\nComments<\/span>\n\n\nInput to text editor<\/span>
\n\n\n

\n\n\n

Install Fedora Core 1<\/h2>\n\n
\n\n\n

\nUse “server” configuration
\n\n\n

\n(need to detail this…)<\/span>
\n\n\n

\n\n\n

Install Fedora Core 1 Updates<\/h2>\n\n
\n\n\n

\n[root]#<\/span> rpm -ivh http:\/\/ftp.freshrpms.net\/pub\/freshrpms\/fedora\/linux\/1\/apt\/apt-0.5.15cnc3-0.1.fr.i386.rpm<\/span>\n\n\n[root]#<\/span> vi \/etc\/apt\/sources.list<\/a><\/span>
\n\n\n

\nadd the lines:<\/span>\n\n\nrpm http:\/\/apt.sw.be redhat\/fc1\/en\/i386 dag
<\/span>
\nrpm-src http:\/\/apt.sw.be redhat\/fc1\/en\/i386 dag
<\/span>
\nrpm http:\/\/ftp.WL0.org apt\/fedora\/fc1\/i386 postfix
<\/span>
\nrpm-src http:\/\/postfix.WL0.org ftp\/apt\/fedora\/fc1\/i386 postfix
<\/span>
\n\n\n

\n[root]#<\/span> apt-get remove sendmail sendmail-cf<\/span>\n\n\n[root]#<\/span> apt-get update<\/span>\n\n\n[root]#<\/span> apt-get upgrade<\/span>\n\n\nYou may have to run this multiple times.<\/span>\n\n\nAfter APT updates the first time, you may get an error about not finding sources.list. If so, do:<\/span>\n\n\n[root]#<\/span> mv \/etc\/apt\/sources.list.rpmsave \/etc\/apt\/sources.list<\/span>\n\n\n(you can ignore errors about duplicate sources).<\/span>
\n\n\n

\n\n\n

Compile and Install Postfix<\/h2>\n\n
\n\n\n

\n[root]#<\/span> apt-get source postfix<\/span>\n\n\n[root]#<\/span> apt-get install rpm-build gcc gawk sed ed patch<\/span>\n\n\n[root]#<\/span> apt-get install mysql mysql-devel<\/span> (if using mysql)<\/span>\n\n\n[root]#<\/span> cd \/usr\/src\/redhat\/SOURCES<\/span>\n\n\n[root]#<\/span> export POSTFIX_MYSQL_REDHAT=1<\/span> (if using mysql)<\/span>\n\n\n[root]#<\/span> export POSTFIX_PCRE=1<\/span>\n\n\n[root]#<\/span> export POSTFIX_SASL=2<\/span> (if using SASL for SMTP AUTH)<\/span>\n\n\n[root]#<\/span> export POSTFIX_TLS=1<\/span> (for SMTP AUTH)<\/span>\n\n\n[root]#<\/span> export POSTFIX_SMTPD_MULTILINE_GREETING=1<\/span>\n\n\n[root]#<\/span> sh make-postfix.spec<\/span>\n\n\n[root]#<\/span> cd ..\/SPECS<\/span>\n\n\n[root]#<\/span> rpmbuild -ba postfix.spec<\/span>\n\n\nyou will probably get some errors about needed RPM devel packages. for each one, do:<\/span>\n\n\n[root]#<\/span> apt-get install <\/span>\n\n\n[root]#<\/span> cd ..\/RPMS\/i386<\/span>\n\n\n[root]#<\/span> rpm -ivh postfix.*.rpm<\/span> (or: rpm -Uvh postfix.*.rpm if postfix is already installed)<\/span>\n\n\n[root]#<\/span> chkconfig postfix off<\/span>\n\n\n[root]#<\/span> postfix stop<\/span>\n\n\n[root]#<\/span> cd \/etc\/postfix<\/span>\n\n\n[root]#<\/span> vi main.cf<\/a><\/span> (linked file)<\/span>\n\n\n[root]#<\/span> vi master.cf<\/a><\/span> (linked file)<\/span>\n\n\n[root]#<\/span> .\/postfix-chroot.sh enable<\/span>
\n\n\n

\n\n\n

Install Amavisd-New and Pflogsumm (Postfix Log Summarizer)<\/h2>\n\n
\n\n\n

\n[root]#<\/span> apt-get install pflogsumm amavisd-new<\/span>\n\n\n[root]#<\/span> chkconfig amavisd off<\/span>\n\n\n[root]#<\/span> service amavisd stop<\/span>\n\n\n[root]#<\/span> vi \/etc\/amavisd.conf<\/a><\/span> (linked file)<\/span>\n\n\n[root]#<\/span> vi \/var\/spool\/amavis\/notify-spam-sender.txt<\/a><\/span>
\n(linked file)<\/span>\n\n\n[root]#<\/span> mkdir -p \/var\/spool\/amavis\/tmp<\/span>\n\n\n[root]#<\/span> mkdir -p \/var\/spool\/amavis\/lookups<\/span>\n\n\n[root]#<\/span> cd lookups<\/span>\n\n\n[root]#<\/span> touch blacklist_sender<\/a> whitelist_sender<\/a><\/span>
\n(edit as necessary)<\/span>\n\n\n[root]#<\/span> vi spam_lovers<\/a><\/span>\n\n\nadd:<\/span>\n\n\npostmaster@domain.com<\/span>\n\n\nabuse@domain.com<\/span>\n\n\n[root]#<\/span> vi virus_lovers<\/a><\/span> (same thing – add postmaster and abuse)<\/span>\n\n\n[root]#<\/span> cd ..\/..<\/span>\n\n\n[root]#<\/span> chown -R amavis:amavis amavis<\/span>
\n\n\n

\n\n\n

Install Razor2<\/h2>\n\n
\n\n\n

\n[root]#<\/span> cd ~<\/span>\n\n\n[root]#<\/span> wget http:\/\/aleron.dl.sourceforge.net\/sourceforge\/razor\/razor-agents-2.40.tar.gz<\/span>\n\n\n[root]#<\/span> perl -MCPAN -e shell<\/span>\n\n\ncpan><\/span> install Net::Ping<\/span>\n\n\ncpan><\/span> install Net::DNS<\/span>\n\n\ncpan><\/span> install Time::HiRes<\/span>\n\n\ncpan><\/span> install Digest::SHA1<\/span>\n\n\ncpan><\/span> install GetOpt::Long<\/span>\n\n\ncpan><\/span> install File::Copy<\/span>\n\n\ncpan><\/span> install Digest::Nilsimsa<\/span>\n\n\ncpan><\/span> install URI::Escape<\/span>\n\n\ncpan><\/span> quit<\/span>\n\n\n[root]#<\/span> tar xvfz razor-agents-2.40.tar.gz<\/span>\n\n\n[root]#<\/span> cd razor-agents-2.40<\/span>\n\n\n[root]#<\/span> perl Makefile.PL<\/span>\n\n\n[root]#<\/span> make<\/span>\n\n\n[root]#<\/span> make test<\/span>\n\n\n[root]#<\/span> make install<\/span>\n\n\n[root]#<\/span> su amavis<\/span>\n\n\n[amavis]$<\/span> razor-client<\/span>\n\n\n[amavis]$<\/span> razor-admin -create<\/span>\n\n\n[amavis]$<\/span> razor-admin -register<\/span>\n\n\n[amavis]$<\/span> cd \/var\/spool\/amavis\/.razor<\/span>\n\n\n[amavis]$<\/span> vi razor-agent.conf<\/span>\n\n\ndebuglevel=1<\/span>\n\n\n[amavis]$<\/span> exit<\/span>
\n\n\n

\n\n\n

Configure reporting tools<\/h2>\n\n
\n\n\n

\n[root]#<\/span> cd \/usr\/local\/sbin<\/span>\n\n\n[root]#<\/span> vi pflogs.sh<\/a><\/span> (attached file)<\/span>\n\n\n\n\n

[root]#<\/span> vi rejections.sh<\/a><\/span> (attached file)<\/span><\/div>\n\n
\n[root]#<\/span> chmod a+x pflogs.sh \n\n
rejections.sh<\/div>\n\n<\/span>\n\n\n[root]#<\/span> cd \/etc\/logrotate.d<\/span>\n\n\n[root]#<\/span> vi maillog<\/a><\/span>
\nadd before “endscript”:<\/span>\n\n\n\n\n
\/usr\/local\/sbin\/rejections.sh”<\/span><\/div>\n\n
\n\/usr\/local\/sbin\/pflogs.sh<\/span>
\n\n\n

\n\n\n

Configure SpamAssassin Rule updates<\/h2>\n\n
\n\n\n

\n[root]#<\/span> wget http:\/\/maxime.ritter.eu.org\/Spam\/rule-get<\/span>\n\n\n[root]#<\/span> vi rule-get<\/span>\n\n\nchange:<\/span>\n\n\nmy $real_path=”\/etc\/mail\/spamassassin”<\/span>\n\n\n[root]#<\/span> chmod a+x rule-get<\/span>\n\n\n[root]#<\/span> cd \/etc\/mail\/spamassassin<\/span>\n\n\n[root]#<\/span> rule-get get-rules<\/span>\n\n\n[root]#<\/span> rule-get install BackHair Weeds2 ChickenPox BigEvil TripWire EvilNumbers\n\n\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"

Setting Up a Spam-Filtering Mail Gateway For Microsoft Exchange Using Fedora Core 1, Postfix 2.0.19, Amavisd-New and Razor2 If you find this document useful, or have any additions or corrections, please send a message to the Webmaster. Document Conventions Configuration filename–link to example file Command prompt Command typed by user Comments Input to text editor […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-38","post","type-post","status-publish","format-standard","hentry","category-computers"],"_links":{"self":[{"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/posts\/38","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/comments?post=38"}],"version-history":[{"count":0,"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/posts\/38\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/media?parent=38"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/categories?post=38"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.noidea.us\/wordpress\/wp-json\/wp\/v2\/tags?post=38"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}