Author: David Woodhouse Date: To: Jan Johansson CC: exim-users Subject: Re: [exim] Not freezing "unknown user"?
On Tue, 2005-02-08 at 13:55 +0100, Jan Johansson wrote: > Is there anyway to not freeze a message that is a result of "user
> unknown" from the back end? Using 4.24 currently.
>
> Feb 8 14:07:14 nvoweb exim: 2005-02-08 14:07:14 1CyV5F-0002fb-JL <=
> <>
> H=icho.ipe.tsukuba.ac.jp [130.158.65.1] P=smtp S=2235
> Feb 8 14:07:14 nvoweb exim: 2005-02-08 14:07:14 1CyV5F-0002fb-JL **
> mcdowell_72@??? <mcDowell_72@???> R=relay_router_nwl
> T=local_smtp:
> SMTP error from remote mailer after RCPT TO:<mcDowell_72@???>: host
> 192.168.221.211 [192.168.221.211]: 550 5.1.1 User unknown
That's a bounce generated by your own host. What was the mail which
_caused_ the bounce? Why did your system ever accept it in the first
place, if it was going to be bounced? Fix that, and then you will stop
spamming innocent third parties with your bounces. As an added benefit,
when the innocent third party doesn't actually exist, you don't get the
bogus bounce messages frozen on your own queue.