hi can someone help me about this stuff. i'm the moderator of bugzilla at our office. i wan to create a new user so that i will send to him his bugs with regards the program he is doing. but whenever i create an account there is this message that come up: There was an error sending mail from 'jhellie.deguzman@aatitechnologies.com' to 'eugene.condor@aatitechnologies.com':error when closing pipe to /usr/lib/sendmail:

*what do these error mean, can someone help me to resolve this?