>I use sendmail service in my RedHat 7.2, and I use Outlook express to send/receive an email it's working (send and receive) correctly when I send an email to the intranet users but it can not working when I send it to internet users, I always meet the following errors message:
>
>The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was 'winanjaya@yahoo.com'. Subject 'test', Account: 'Winan', Server: '198.168.0.1', Protocol: SMTP, Server Response: '550 5.7.1 ... Relaying denied. IP name lookup failed [198.168.0.88]', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79
>
>Hopefully anybody here can help this problem.. and thanks a lot ..
>
>Regards
>Winan

It looks as though sendmail is not finding your connection to the internet. The error regards not finding the recipient on the local lan and cannot access the internet. Are you surfing the web ok from this machine?

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