I tried to find out sendmail solution for the problem
but could not find any article or mailing list topic
for the subject. Can you please guide me how to use
sendmail to only allow certain LAN users to send mail
to outside world and others will be rstricted to LAN
users onle.
Check this page. Links under "Trying to enforce restrictions" will give you some hints on how it can be done:
http://www.sendmail.org/~ca/email/misc.html
Also, you might consider comp.mail.sendmail newsgroup, and Sendmail mailing list. You will find many experts there to help you out.
-- Aleksandar Milivojevic <amilivojevic@xxxxxx> Pollard Banknote Limited Systems Administrator 1499 Buffalo Place Tel: (204) 474-2323 ext 276 Winnipeg, MB R3T 1L7