Debian 8 Jessie
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Virtual Domains
2015/05/15
 
Configure for Virtulal Domain to send an email with another domain name different from original domain.
present domain name ⇒ srv.world
new domain name ⇒ virtual.host
and user "jessie" has an email address "jessie@mail.srv.world"
and user "debian", Give him an email address "jessie@mail.virtual.host"
[1] Configure Postfix for Virtual Domain.
root@mail:~#
vi /etc/postfix/main.cf
# add follows to the end

virtual_alias_domains = virtual.host
virtual_alias_maps = hash:/etc/postfix/virtual
root@mail:~#
vi /etc/postfix/virtual
# add

jessie@mail.virtual.host   debian
root@mail:~#
postmap /etc/postfix/virtual

root@mail:~#
systemctl restart postfix

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