using krishna to forward mails to sssihl

Reading http://wiki.linuxquestions.org/wiki/Mail_forwarding_domains
seeing if krishna can be used for the sssihl mail forwarding...

Changes to main.cf:

1. #inet_interfaces = $myhostname, localhost
2. the changes as given in the wiki page above, ie.

1 /etc/postfix/main.cf:
2     virtual_alias_domains = example.com ...other hosted domains...
3     virtual_alias_maps = hash:/etc/postfix/virtual
4 
5 /etc/postfix/virtual:
6     postmaster@example.com postmaster
7     joe@example.com        joe@somewhere
8     jane@example.com       jane@somewhere-else
9     # Uncomment entry below to implement a catch-all address

10 # @example.com jim@yet-another-site 11 ...virtual aliases for more domains...

3. Opening port 25 on krishna's firewall