Debian 7.0
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Virtual domain
2013/05/11
 
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 userA has an email address wheezy@mail.srv.world
and Add userB newly and Give him an email address wheezy@mail.virtual.host
[1] Configure 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

wheezy@mail.virtual.host   UserB
root@mail:~#
postmap /etc/postfix/virtual

root@mail:~#
/etc/init.d/postfix restart

Stopping Postfix Mail Transport Agent: postfix.
Starting Postfix Mail Transport Agent: postfix.
[2] Configure on client for new account and make sure to be able to send emails.
 
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