Help on sendmail
 

I am installed Red hat 9.0 . It is connected to Internet by a Masqerading server. I can surf internet but when it ry to send mail to the internet or itseld wve it show s the bellow error. Where do i change to make my sendmail operational.
Thanking you
Sanjib kumar gupta
# mail -v sanjib@rocketmail.com
Subject: test mail
this is a test mail
.
Cc:
sanjib@rocketmail.com... Connecting to [127.0.0.1] via relay...
sanjib@rocketmail.com... Deferred: Connection refused by [127.0.0.1]

Is sendmail running? Do you have a firewall?

No my security low . When i had removed the sendmail.cf file and then run sendmail again only local mails are getting delivered and mails can be send to the internet. But the mails cannot be recieved