On Thu, Apr 11, 2013 at 2:23 PM, Noel Jones <njo...@megan.vbhcs.org> wrote:
> On 4/11/2013 2:42 PM, Robert Lopez wrote: > > That was a fast response Jan. Thanks. Is the overall situation > > suggestive of any misconfiguration here? > > [please don't top-post] > > It appears you're generating a bounce for spam. Don't do that; the > spam sender address is often forged causing your notice to go to > some innocent third party. > > This makes you a backscatter source. As a backscatter source, your > queue can become clogged with undeliverable bounces and your server > may be blacklisted by others. > > With an after queue content filter, the only valid choice you have > is to tag and deliver the message (or in some cases, discard it, but > that's not legal some places and not good practice everywhere else). > > > > > -- Noel Jones > > > > > > > > > > On Thu, Apr 11, 2013 at 1:22 PM, Jan P. Kessler > > <post...@jpkessler.info <mailto:post...@jpkessler.info>> wrote: > > > > Hi, > > > > > >> And these are the logfile lines for our sending of the > >> non-delivery notice we sent. One item in these log lines I do > >> not understand at all is "relay=server50.appriver.com > >> <http://server50.appriver.com>[204.232.236.138]:25". I do not > >> understand where were that information is sourced. It looks to > >> me that we sent the non-delivery to a wrong location. > > > > No, that is correct. Source of that routing information is the > > MX record for the target domain: > > > > # host -t mx ors-cpa.com <http://ors-cpa.com> > > ors-cpa.com <http://ors-cpa.com> mail is handled by 10 > > server50.appriver.com <http://server50.appriver.com>. > > ors-cpa.com <http://ors-cpa.com> mail is handled by 20 > > server51.appriver.com <http://server51.appriver.com>. > > > > > > > > > > -- > > Robert Lopez > > Unix Systems Administrator > > Central New Mexico Community College (CNM) > > 525 Buena Vista SE > > Albuquerque, New Mexico 87106 > > Is postscreen able to identify email as spam to prevent bouncing it? Is there a way to alter my postfix configuration to prevent bouncing it? -- Robert Lopez Unix Systems Administrator Central New Mexico Community College (CNM) 525 Buena Vista SE Albuquerque, New Mexico 87106
