Postfix Virtual Addresses

if you enable virtual alias maps you can redirect emails from any old addr to any new addr

main.cf

enable virtual aliases in main.cf

virtual_alias_maps = hash:/etc/postfix/virtual_aliases

add your email aliases

#
oldemail@old.dom	newemail@new.dom

build hash table and reload postfix

# postmap /etc/postfix/virtual_aliases
# service postfix reload

REFERRERS
PostFix