Postfix + Clamav + Amavisd2019/01/24

	Configure Virus-Scanning with Postfix + Clamav.
[1]	Install Clamav, refer to here.
[2]	Install Amavisd and Clamav Server, and start Clamav Server first.

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 152: uncomment and change to own hostname

$myhostname = '

mail.srv.world

# line 154,155: 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 700: 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. "X-Virus-Scanned ***" 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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