Dear All

I Had configured sendmail server it is working fine,

I want to restrict users with the mail size not exceeding 10mb like in gmail and yahoo.

Users are able to send mail's with out outgoing authentication, i want to configure outgoing authentication in sendamil server.

I had configured vacation auto response, which is responding only once for user, i want it to be configured for every message that has been received by a single user.

kindly help me out with these three sendmail issues.