Yang Xiao said: > Hello, > I'm trying to prevent anyone from spoofing incoming mail as internal > users. Example, my domain is mydomain.com > I don't want to anyone to connection to my mail gateway and send > emails as user@xxxxxxxxxxxx from the outside. > > I thought this can be done by access table and it's working. but the > problem now is that it's rejecting local mail that it's trying to > forward to the mailhost as well, how can I fix this? > > #access table > # Check the /usr/share/doc/sendmail/README.cf file for a description > # of the format of this file. (search for access_db in that file) > # The /usr/share/doc/sendmail/README.cf is part of the sendmail-doc > # package. > # > # by default we allow relaying from localhost... > 127.0.0.1 OK > localhost OK > From:localhost OK > To:localhost OK > From:mydomain.com ERROR:"550 Everything that has a > beginning, has an end." > > > Many thanks, > > Yang > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list > Have you read this: http://www.sendmail.org/m4/anti_spam.html#access_db If you are refusing to relay your own domain that is why you are rejecting local mail, you can try putting in a rule that allows whatever network you are using. like this 192.168.1.0 OK -- ======================= Dave Lester dlester@xxxxxxxxxxx http://www.davenet.org =======================