Originally Posted by arsh gill
configure SMTP mail service according to the following requirements
1. mail server should accept mail from remote hosts and local hosts
2. a user natasha must be able to receive mail from local hosts
3. mail delivered to natasha should spool into the default mail spool for user sumit, /var/spool/mail/natasha
You forgot step 4:
4. DO YOUR OWN HOMEWORK
All you've posted so far is your homework questions. You need to show effort on your part...show us what you've done/tried, and tell us where you're stuck. Otherwise, try Google, your textbooks, and your teachers.