Path: utzoo!news-server.csri.toronto.edu!rutgers!news.cs.indiana.edu!spool.mu.edu!cs.umn.edu!bulus3!haugen
From: haugen@bulus3bma.com (John M. Haugen)
Newsgroups: comp.unix.sysv386
Subject: Re: ISC 2.2.1 tcp/ip mail problem
Summary: Same problem here
Keywords: ISC 2.2.1 TCP/IP MAIL
Message-ID: <1729@bulus3bma.com>
Date: 12 Mar 91 20:15:52 GMT
References: <1405@compel.UUCP>
Organization: Bull Micral, St. Paul MN
Lines: 20

In article <1405@compel.UUCP>, krp@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@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@yy.zz" as a host name.

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

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