yourdomain.com : your original domain name
newdomain.com : new domain name



2. edit a file /etc/mail/virtusertable and append the following line.

username : All Emails under @newdomain.com will send to username.



2.1 If you want to receive email in separate accounts try:

cklam :Emails send to cklam@newdomain.com or info@newdomain.com will store in cklam account.

mchan :Emails send to maggie.chan@newdomain.com or mchan@newdomain.com or any other username under @newdomain.com will store in mchan account.

See E-mail Alias for detail

3. execute the command makemap to generate the new virtual domain table.

# makemap hash /etc/mail/virtusertable < /etc/mail/virtusertable


4. restart the sendmail

# /etc/rc.d/init.d/sendmail restart