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Run with Clamav
2010/07/25 |
| [1] | Configure SMTP Server in order to scan emails to protect from virus or spams. Install clamav first. |
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root@mail05:~# aptitude -y install clamav-daemon amavisd-new spamassassin root@mail05:~# vi /etc/default/spamassassin # line 8: change to "1" if you use spam filter ENABLED= 1 root@mail05:~# cp /usr/share/doc/amavisd-new/examples/amavisd.conf-sample.gz /etc/amavis/ root@mail05:~# gunzip /etc/amavis/amavisd.conf-sample.gz root@mail05:~# mv /etc/amavis/amavisd.conf-sample /etc/amavis/amavisd.conf root@mail05:~# vi /etc/amavis/amavisd.conf # line 66: uncomment $MYHOME = '/var/lib/amavis'; # line 71: specify domain name $mydomain = ' srv.world ';# line 73: specify hostname $myhostname = ' mail05.srv.world ';# line 77,78: change $daemon_user = ' amavis ';$daemon_group = ' amavis ';# line 626: make it comment ( not notify via email if virus detected ) # $virus_admin = "virusalert\@$mydomain"; root@mail05:~# vi /etc/amavis/conf.d/15-content_filter_mode # line 13: uncomment @bypass_virus_checks_maps = ( \%bypass_virus_checks, \@bypass_virus_checks_acl, \$bypass_virus_checks_re); # line 24: uncomment ( if you use spam filter too ) @bypass_spam_checks_maps = ( \%bypass_spam_checks, \@bypass_spam_checks_acl, \$bypass_spam_checks_re); root@mail05:~# vi /etc/postfix/main.cf # add at the bottom content_filter=smtp-amavis:[127.0.0.1]:10024 root@mail05:~# vi /etc/postfix/master.cf # add at the bottom smtp-amavis unix - - n - 2 smtp -o smtp_data_done_timeout=1200 -o smtp_send_xforward_command=yes -o disable_dns_lookups=yes 127.0.0.1:10025 inet n - n - - smtpd -o content_filter= -o local_recipient_maps= -o relay_recipient_maps= -o smtpd_restriction_classes= -o smtpd_client_restrictions= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,reject -o mynetworks=127.0.0.0/8 -o strict_rfc821_envelopes=yes -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001 -o smtpd_hard_error_limit=1000 root@mail05:~# touch /etc/mailname root@mail05:~# chmod -R 775 /var/lib/amavis/tmp root@mail05:~# usermod -G amavis clamav root@mail05:~# /etc/init.d/clamav-daemon restart * Stopping ClamAV daemon clamd ...done. * Starting ClamAV daemon clamd ...done. root@mail05:~# /etc/init.d/spamassassin start Restarting SpamAssassin Mail Filter Daemon: spamd. root@mail05:~# /etc/init.d/postfix restart * Stopping Postfix Mail Transport Agent postfix ...done. * Starting Postfix Mail Transport Agent postfix ...done. root@mail05:~# /etc/init.d/amavis restart Stopping amavisd: amavisd-new. Starting amavisd: amavisd-new. root@mail05:~# sysv-rc-conf clamav-daemon on root@mail05:~# sysv-rc-conf spamassassin on root@mail05:~# sysv-rc-conf amavis on |
| These lines below are added in header section of emails after this configuration. | |
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