craigw

# Don't reveal the OS in the banner.
smtpd_banner = $myhostname ESMTP $mail_name
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Send "delivery delayed" emails after 4 hours.
delay_warning_time = 4h

craigw

newaliases
echo 'postmaster [email protected]' >> /etc/postfix/virtual
echo 'abuse [email protected]' >> /etc/postfix/virtual
echo 'root [email protected]' >> /etc/postfix/virtual
postmap /etc/postfix/virtual

craigw

sudo /etc/init.d/postfix restart

craigw

sudo iptables -I INPUT 4 -p tcp --dport smtp -j ACCEPT
sudo sh -c "iptables-save -c > /etc/iptables.rules"

craigw

dig MX emailmyfeeds.com +short
0 emailmyfeeds.com.
10 mx1.xeriom.net.
10 mx2.xeriom.net.

dig emailmyfeeds.com +short
193.219.108.60

craigw

telnet mx1.xeriom.net smtp
Trying 193.219.108.242...
Connected to 193.219.108.242.
Escape character is '^]'.
220 mx1.xeriom.net ESMTP Postfix
EHLO my-computer
250-mx1.xeriom.net
250-PIPELINING
250-SIZE 10240000
250-VRFY

craigw

sudo iptables -I INPUT 3 -p tcp --dport http -j ACCEPT
sudo sh -c "iptables-save -c > /etc/iptables.rules"

craigw

sudo apt-get install apache2 --yes

craigw

sudo iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination         
ACCEPT     all  --  anywhere             anywhere            state RELATED,ESTABLISHED 
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:ssh 
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:www
DROP       all  --  anywhere             anywhere            

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination         

craigw

sudo apt-get install heartbeat