Virtual Domains2015/11/11

	Configure Postfix to use Virtulal Domain to send an email with another domain name different from original domain. For example, present domain name ⇒ srv.world new domain name ⇒ virtual.host a User [fedora] has an email address [fedora@mail.srv.world], a User [redhat] has an email address [fedora@mail.virtual.host], the user [redhat] uses the same name for before [@] with [fedora].
[1]	Configure Virtual Domain Settings.

[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 follows to the head

fedora@mail.virtual.host redhat

[root@mail ~]#

postmap /etc/postfix/virtual

[root@mail ~]#

systemctl reload postfix

[2]	Set new account to Email client and make sure to be able to send emails.

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