PART$-$B: MAIL REDIRECTION $[$nnnn is your last four digits of your humberid which starts with n$]$ Note: this if follow up for part a which i uploaded before this.

$8.$ In CMS$,$ Configure $/$etc$/$aliases in such a way that all mails sent to the bobnnnn is redirected to your email account. Send email to bobnnnn and SCREENSHOT: display that you have received the email and also the bobnnnn has not received the email.

$9.$ In CMS$,$ configure $/$etc$/$aliases so that when sending email to bobnnnn it is redirected to tomnnnn and to yourself. Send email to bobnnnn and SCREENSHOT:

a$)$ Display redirected emails to tomnnnn and yourself

b$)$ grep $-$E 'bob$|$tom$\text{'}/$etc$/$aliases

c$)$ls $-$l $/$etc$/$aliases$.$db

$10.$ In remote host $,$ configure $/$etc$/$postfix$/$virtual file, so that all emails sent to your katennnn in toronto should be received by yourself in toronto and in montreal, Send email to katennnn and SCREENSHOT:

a$)$ Display the redirected email to yourself in toronto and montreal

$11.$ In remote host, configure $/$etc$/$postfix$/$virtual $,$ to forward all email sent to the tomnnnn user in montreal to yourself in toronto and montreal, SCREENSHOT:

a$)$ Send email to tomnnn and Display the redirected email received by yourself in montreal and toronto

$12.$ In remote host, configure canonical file to redirect emails sent to user joennnn in toronto to yourusername in montreal. $($SCREENSHOT:

Send email to joennnn and display the redirected email received by yourself in montreal$)$

$13.$ In remote host, configure canonical file to redirect emails sent to evannnn at montreal to yourusername in toronto. $($SCREENSHOT:

Send email to evannnn at montreal and display the redirected email received by yourself in toronto$)$

SCREENSHOTS $($logged in as your own user$)$

a$.$ ls $-$l $/$etc$/$postfix$/*.$db

b$.$ grep $-$E 'kate$|$tom$\text{'}/$etc$/$postfix$/$virtual

c$.$ grep $-$E 'joe$|$eva$\text{'}/$etc$/$postfix$/$canonical

d$.$ postconf $-$n $|$grep $-$E 'virtual$|$canonical$\text{'}$