[Mailman-Developers] before next release: disable backscatter in default installation

[Julian Mehnle]

Jo Rhett wrote:
> On Mar 24, 2008, at 6:45 PM, Mark Sapiro wrote:
> > I still don't get what you mean by "properly deal with DSNs". Are you
> > saying that an MTA should never return a DSN? It should either reject
> > the mail during the incoming SMTP transaction or forever hold its
> > piece?
>
> Yes.  And not just me, but a dozen different blacklists.  RTFM
> "backscatter"

You can however safely send a DSN if an SPF[1] check for the incoming 
message passes.

 1. http://www.openspf.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: This is a digitally signed message part.
Url : http://mail.python.org/pipermail/mailman-developers/attachments/20080325/19844675/attachment.pgp