Configuration of Server root email - Change Address and Name on outgoing email - From http://serverfault.com/questions/412312/configuration-of-server-root-email-change-address-and-name-on-outgoing-email
vi /etc/postfix/generic
root myname@domain.tld
vi /etc/postfix/main.cf
smtp_generic_maps = hash:/etc/postfix/generic
postmap /etc/postfix/generic
postfix reload
vi /etc/passwd:
root:x:0:0:Own Name:/root:/bin/bash