Postfix + Clamav - ClamSMTP
2014/08/22 |
Configure Virus-Scanning with Postfix + Clamav.
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[1] | |
[2] | Install Clamd and Clamsmtp. |
[root@mail ~]#
vi /etc/clamsmtpd.conf # line 22: uncomment Listen: 0.0.0.0:10025 # line 28: uncomment Header: X-Virus-Scanned: ClamAV using ClamSMTP # line 34: uncomment Action: drop /etc/rc.d/init.d/clamsmtpd start Starting ClamSmtpd: [ OK ][root@mail ~]# /etc/rc.d/init.d/clamsmtp-clamd start Starting clamd.clamsmtp: [ OK ][root@mail ~]# chkconfig clamsmtpd on [root@mail ~]# chkconfig clamsmtp-clamd on |
[3] | If SELinux is enabled, change rules to start Clamd. |
[root@mail ~]# setsebool -P antivirus_can_scan_system on [root@mail ~]# setsebool -P antivirus_use_jit on
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[4] | Configure Postfix. |
[root@mail ~]#
vi /etc/postfix/main.cf # add follows to the end
content_filter = scan:127.0.0.1:10025
[root@mail ~]#
vi /etc/postfix/master.cf # add follows to the end scan unix - - n - 16 smtp -o smtp_data_done_timeout=1200 -o smtp_send_xforward_command=yes -o disable_dns_lookups=yes 127.0.0.1:10026 inet n - n - 16 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_style=host -o smtpd_authorized_xforward_hosts=127.0.0.0/8 /etc/rc.d/init.d/postfix restart Shutting down postfix: [ OK ] Starting postfix: [ OK ] |
These lines below are added in header section of emails after this configuration and emails with known Virus will not sent to Clients. |