spamassassin集成dcc

编译安装DCC

wget https://www.dcc-servers.net/dcc/source/dcc.tar.Z
tar xfz dcc.tar.Z
cd dcc-2.3.168
./configure
make -j4
make install

打开6277防火墙

firewall-cmd --add-port=6277/tcp --permanent
firewall-cmd --reload

配置文件/etc/mail/spamassassin/local.cf
最后一行加入

use_dcc 1
dcc_timeout 8
dcc_home /var/dcc/
dcc_path /usr/local/bin/dccproc
add_header all DCC _DCCB_: _DCCR_
score DCC_CHECK 4.0
dcc_body_max 50
dcc_fuz1_max 50
dcc_fuz2_max 50
dcc_learn_score n