I have had the same problem this week.  Let us know what you find out from
YAHOO.

Margaret Brandt
----- Original Message -----
From: Philip Kizer <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, September 02, 1999 2:38 PM
Subject: Re: Yahoo mail problems


> Stan Horwitz <[log in to unmask]> wrote:
> >Lately, the Listserv here has been generating an unsual number of error
> >messages involving Yahoo addresses. The messages all refer to a "No valid
> >From: line in message". [ ... ]  Does anyone know what's causing this and
> >if its a problem on Listserv or with Yahoo?
> >
> >A sample of such an error message is:
> >
> ><[log in to unmask]>:
> >205.180.60.143 failed after I sent the message.
> >Remote host said: 552 No valid From: line in message
>
> We've seen them too.  Looks like someone at Yahoo! went stupid and started
> refusing "MAIL From: <>" messages (i.e. bounces, and Listserv
notifications).
>
>
> I've sent one of my standard complaints to their postmaster address, and
> got the autoresponder; I'll give it another day before I try to escalate.
>
>
> -philip
>
> --
> Philip Kizer <[log in to unmask]>
> Texas A&M CIS Operating Systems Group, Unix
>