apt-get install dkimproxy

/etc/init.d/amavis stop

update-rc.d -f amavis remove

# specify what address/port DKIMproxy should listen on

listen 127.0.0.1:10028



# specify what address/port DKIMproxy forwards mail to

relay tipshamilcepat.com:2525



# specify what domains DKIMproxy can sign for (comma-separated, no spaces)

domain tipshamilcepat.com



# specify what signatures to add

signature dkim(c=relaxed)

signature domainkeys(c=nofws)



# specify location of the private key

#keyfile /full/path/to/private.key



# specify the selector (i.e. the name of the key record put in DNS)

selector mail



 '/etc/dkimproxy/dkimproxy_out.conf'

/bin/echo '

### transport/40_exim4-config_dkimproxy_smtp

#################################



# This router is used to pass outgoing emails to dkimproxy

# in order to add DomainKeys signature.



dkimproxy_smtp:

 driver = smtp

 port = 2525

 hosts_avoid_tls = 184.154.76.200

 allow_localhost

' > '/etc/exim4/conf.d/transport/40_exim4-config_dkimproxy_smtp'

/bin/echo '

### router/020_exim4-config_dkimproxy

#################################



# This routeur pass outgoing emails to dkimproxy

# in order to add DomainKeys signature.



dkimproxy:

 driver = manualroute

 condition = "${if eq {$interface_port}{10029} {0}{1}}"

 transport = dkimproxy_smtp

 route_list = "* localhost byname"

 self = send



' > '/etc/exim4/conf.d/router/020_exim4-config_dkimproxy'

/etc/init.d/dkimproxy reload

/etc/init.d/exim4 reload

if [ -z "$(command grep '^domain' '/etc/dkimproxy/dkimproxy_out.conf')" ]; then

 command sed -i -e "s/^#domain.*/domain ${DOMAIN}/" \

 '/etc/dkimproxy/dkimproxy_out.conf'

else

 command sed -i -e "s/^\(domain.*\/;)//\1,${DOMAIN}/" \

 '/etc/dkimproxy/dkimproxy_out.conf'

fi

command sed -i -e 's/example.org,//' \

 '/etc/dkimproxy/dkimproxy_out.conf'

/etc/init.d/dkimproxy reload

SELECTOR=$(/bin/grep '^selector' /etc/dkimproxy/dkimproxy_out.conf \

 | /bin/sed 's/^selector[ \t]*//')

PUBLIC_KEY=$(/bin/grep -v "PUBLIC KEY-----" /var/lib/dkimproxy/public.key \

 | sed -n -e ":a" -e "$ s/\n//gp;N;b a")

/bin/echo "

# Dkim configuration for domain ${DOMAIN} and server with selector {$SELECTOR}.



_asp._domainkey.${DOMAIN}. IN TXT \"dkim=all\"

_adsp._domainkey.${DOMAIN}. IN TXT \"dkim=all\"

_domainkey.${DOMAIN}. IN TXT \"t=y; o=-;\"



${SELECTOR}._domainkey.${DOMAIN}. 14400 IN TXT \"k=rsa; p=${PUBLIC_KEY};\"

"