Ramesh Patel wrote:
Dear ALL
I am use sendmail on FC3 for my mail server.
Now i want to close SMTP server relay.
so internet user can not use my mail server.
Please help me to bock relay for external user.
In absence of the configuration details and other information its not
possible to say what all you need to do to stop relaying because it
could be allowed in a number of ways. The default sendmail configuration
in FC3 does not allow relaying and you have to permit it selectively. So
you should start with the default configuration file and take the
following steps:
1. Make sendmail listen on the LAN interface along also along with the
loopback interface.
2. To allow local users to relay mail through sendmail you can either
make an entry in the /etc/mail/access for the LAN subnet or enable SMTP
authentication. The first option is simpler and will allow any host in
the LAN to send mail.
What is your current configuration ?
--
Manish Kathuria
http://www.tuxspace.com/
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