Scientific Linux 6
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Virtual Domains
2011/03/20
  Configure for Virtulal Domain to send an email with another domain name different from original domain.
This example set config as,
present domain name ⇒ srv.world
new domain name ⇒ virtual.host
and user "fermi" has an email address fermi@mail.srv.world now
and Add "fedora" newly and Give him an email address fermi@mail.virtual.host

[1] Config for Virtula Domain
[root@mail ~]#
vi /etc/postfix/main.cf


# add at the last line

virtual_alias_domains = virtual.host
virtual_alias_maps = hash:/etc/postfix/virtual


[root@mail ~]#
vi /etc/postfix/virtual


# add at the head

fermi@mail.virtual.host
userB


[root@mail ~]#
postmap /etc/postfix/virtual

[root@mail ~]#
/etc/rc.d/init.d/postfix reload

Reloading postfix:
[ OK ]

[2] Configure on client for new account and make sure to be able to send emails.
 
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