On Fri, 22 May 2009 19:23:33 +0200
mouss <mo...@ml.netoyen.net> wrote:

> Carlos Williams a __crit :
> > [snip]
> > Content-filter at server.us wrote:
> > 
> >     A message from <jthras...@server.us> to: -> jthras...@server.us
> > was considered unsolicited bulk e-mail (UBE). Our internal reference
> > code for your message is 16433-01/qNJBp5TNkzDa The message carried
> > your return address, so it was either a genuine mail from you, or a
> > sender address was faked and your e-mail address abused by third
> > party, in which case we apologize for undesired notification. We do
> > try to minimize backscatter for more prominent cases of UBE and for
> > infected mail, but for less obvious cases of UBE some balance
> > between losing genuine mail and sending undesired backscatter is
> > sought, and there can be some collateral damage on both sides.
> > First upstream SMTP client IP address: [88.255.159.190] unknown
> > According to a 'Received:' trace, the message originated at:
> > [88.255.159.190], [88.255.159.190] unknown [88.255.159.190]
> > Return-Path: <jthras...@server.us> Message-ID:
> > <173702817170361.uflfwryznisq...@[88.255.159.190]> Subject: Come to
> > my place Delivery of the email was stopped!
> > 
> > **************************************************************
> > 
> 
> so some filter (at server.us?)  is bouncing mail it considers
> "possibly spam". This is a bad idea. once mail has been accepted by
> postfix, subsequent relays/filters/whatever should no more bounce.
> 
> if spam is bounced to an innocent who never sent anything, you'll get
> in trouble... and even if not, you know it is bad to hit innocents
> whose email address was forged.
> 
> > [snip]
Looks worse than that:

host -t mx server.us       
server.us mail is handled by 10 cm1.dnsmadeeasy.com.

So they're not the primary MX and they're bouncing it.........


-- 
John

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