Author: Alan Thew Date: To: Ian Jackson CC: exim-users Subject: Re: [Exim] Yahoo `421 VS2-IP Excessive unknown recipients - possible
Open Relay http://help.yahoo.com/help/us/mail/spam/spam-18.html (#4.4.5)'
On Wed, 27 Feb 2002 11:26 , Ian Jackson <ijackson@???> said:
> --
> Content-Description: message body text
>
> Overnight I got the message below. This was a frozen bounce; the
> parts you see below are the msglog, -H and -D files, which my script
> automatically mailed to me. As you can see, Exim has tried a bunch of
> IP addresses for some bogus forged yahoo address from a spammer.
>
> Does anyone else around here know anything about this behaviour by
> yahoo ? Is the 421 for excessive unknown recipients new ? How long
> have they been giving the temporary failure code 451 after end of data
> for unknown recipients, rather than saying 5xx (I haven't been looking
> carefully enough to answer that myself) ?
> I saw this for the first time today. I would have thought that 550 would
be right.
