sendmail fail to send mail

[Paul Howarth]

On Sun, 2005-03-06 at 02:04 -0800, jim martin wrote:
> Hi.. I just installed sendmail in RH Ent and I had
> ensure that the sendmail program is running and
> outgoing DNS and SMTP is permit to internet. 
> 
> But I tried to sendmail outgoing mail to my yahoo
> account using the syntax
> 
> mail -s "4 test" jimmartin at yahoo.com < /var/test.txt
> 
> /var/test.txt is a test file containing test "this is
> a test"
>  
> I got the following bounched back mail in
> /var/spool/mail/root.  What's wrong? Is my syntax
> wrong? or do I need to change the default sendmail.mc
> file to make it works???
> 
>    ----- Transcript of session follows -----
> ... while talking to mx1.mail.yahoo.com.:
> >>> MAIL From:<root at rbox> SIZE=318
> <<< 501 Syntax error in parameters or arguments
> 501 5.6.0 Data format error

rbox is not a fully-qualified domain name. Use a resolvable hostname for
your machine and it should be OK.

Paul.
-- 
Paul Howarth <paul at city-fan.org>