ISC 2.2.1 tcp/ip mail problem

[John M. Haugen]

In article <1405 at compel.UUCP>, krp at compel.UUCP (Klaus Roy Poulsen) writes:
>   When ( trying ) sending mail via TCP/IP connections, an immediate return 
> with the following error message occurs:
> 
>     550 xx at yy.zz... Host unknown
> 
> regardless of the actual host, known or unknown.

In my case, it is the gateway that is having the problem.  My error message
is very similar to the one above.  It is almost as if sendmail is treating
"xx at yy.zz" as a host name.

> Klaus Roy-Poulsen   .  PHONE + 45 36 72 33 00  .  E-mail:  krp at compel.dk
> Compel A/S          .  FAX   + 45 36 72 43 00  .  
> Copenhagen, Denmark

John M. Haugen              Domain:  haugen at bma.com
Bull Micral of America      UUCP:    ...!uunet!bulus3!haugen
900 Long Lake Road          ATT:  +1-612-633-5660
New Brighton, MN  55112-6400