How to forward all Solaris user emails to an external email account

Devops need no words but code: How to forward all Solaris user emails to an external email account

smarthost=mail.sample.com
user=me
[email protected]
/opt/csw/bin/gsed -i "s/^DS[\s]*.*/DS $smarthost/g" /etc/mail/submit.cf
/opt/csw/bin/gsed -i "s/^DS[\s]*.*/DS $smarthost/g" /etc/mail/sendmail.cf
/opt/csw/bin/gsed -i "/$user:/d" /etc/mail/aliases
echo "$user:$alertlist" >> /etc/mail/aliases
/opt/csw/bin/gsed -i "/root:/d" /etc/mail/aliases
echo "root:$alertlist" >> /etc/mail/aliases
newaliases
svcadm restart sendmail
echo "So that we never miss again an important communication from servers" | mailx  -s "`hostname` As a sysadmin I want to receive my user mail notifications in my personal email address" me
echo "So that we never miss again an important communication from servers" | mailx  -s "`hostname` As a sysadmin I want to receive root mail notifications in my personal email address" root

Hi ..i need to configure mail server on solaris 11 to receive email from outside my network..can you please help ( [email protected])

I suggest asking that question in stackoverflow. This gist is about forwarding system emails to the outside.