My hosts file configuration problem,i have change it to .
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
192.168.1.10 mail.mydomian.com mail
#service network reload
#service postfix reload
But when go to open webmail for creating new emails i see the same problem.In From email address .
guide me what i have to do after changing the host file.which service need to reload to update my hosts configuration to email address.