How to connect from a remote mail server to a dedicated spamassissin server

install spamassissin
perl -MCPAN -e 'install Mail::SpamAssassin'

vi /etc/mail/spamassassin/local.cf

rewrite_header Subject *****SPAM*****
trusted_networks 216.185.xx

now to start spamd so that remote mail server can connect through
spamc ( client )

spamd -u spamd -d -i -s /var/log/spamd.log --allowed-ips 216.xx.xx.xx

-d is saemonize spamd
-i is interface
-s sys logging

see if the the interfaces and ipaddress are allowed.

[root@vps1 ~]# netstat -nap |grep tcp
tcp 0 0 0.0.0.0:783 0.0.0.0:*
LISTEN 8181/spamd.log --al
tcp 0 0 0.0.0.0:80 0.0.0.0:*
LISTEN 23902/httpd
tcp 0 0 0.0.0.0:22 0.0.0.0:*
LISTEN 23849/sshd
tcp 0 0 216.185.xx.xx:783 216.xx.xx.55:4317
CLOSE_WAIT 8183/spamd child

chk the ps

ps -aux |grep spam

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