SLES 12
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Postfix + Clamav + Amavisd
2015/11/25
 
onfigure Virus-Scanning with Postfix + Clamav + Amavisd.
[1]
[2] Install Amavisd, and start Clamav Server.
mail:~ #
zypper -n install amavisd-new spamassassin
mail:~ #
systemctl start clamd

mail:~ #
systemctl enable clamd

[3] Configure and start Amavisd.
mail:~ #
vi /etc/amavisd.conf
# line 20: change to own domain name

$mydomain = '
srv.world
';
# line 149: uncomment and change to own hostname

$myhostname = '
mail.srv.world
';
# line 151,152: uncomment

$notify_method = 'smtp:[127.0.0.1]:10025';
$forward_method = 'smtp:[127.0.0.1]:10025';
mail:~ #
sa-update

mail:~ #
systemctl start amavis spamd

mail:~ #
systemctl enable amavis spamd

[4] Configure Postfix.
mail:~ #
vi /etc/postfix/main.cf
# line 668: add

content_filter =
smtp-amavis:[127.0.0.1]:10024
mail:~ #
vi /etc/postfix/master.cf
# add follows to the end

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

mail:~ #
systemctl restart postfix

[5] It' OK all.
These lines below are added in the header section of emails after this configuration and emails with known Virus will not sent to Clients.
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