NDRs marked as spam

[Jerry Benton]

I am setting up some testing in the lab now. I was just curious if there 
was some low hanging fruit that someone knew about.


On 5/9/14, 10:08 PM, Martin Hepworth wrote:
> So what do the logs say about it?
> Are you signing the headers outbound or not?
>
> -- 
> Martin Hepworth, CISSP
> Oxford, UK
>
>
> On 9 May 2014 20:08, Jerry Benton <jerry.benton at mailborder.com 
> <mailto:jerry.benton at mailborder.com>> wrote:
>
>     No, this happens from internal  servers relaying emails outbound.
>     The MTA is not performing any ip related checks, but I will review
>     in case I missed something.
>
>
>     On 5/9/14, 8:21 PM, Jeremy McSpadden wrote:
>>     IP found on an RBL at MTA time ?
>>
>>
>>
>>     --
>>     Jeremy McSpadden
>>     Flux Labs | http://www.fluxlabs.net | Endless Solutions
>>     Office : 850-250-5590x501 <tel:850-250-5590;501> | Cell :
>>     850-890-2543 <tel:850-890-2543> | Fax : 850-254-2955
>>     <tel:850-254-2955>
>>
>>
>>
>>
>>     On Fri, May 9, 2014 at 10:06 AM -0700, "Jerry Benton"
>>     <jerry.benton at mailborder.com
>>     <mailto:jerry.benton at mailborder.com>> wrote:
>>
>>     Has anyone seen NDRs getting marked as spam without even being
>>     scanned by SA? I am seeing the behavior and am assuming it is a
>>     MailScanner thing since the message never seems to pass through SA.
>>
>>     I am assuming the null sender is triggering it.
>>
>>     -- 
>>
>>     --
>>     Jerry Benton
>>     Mailborder Systems
>>     www.mailborder.com <http://www.mailborder.com>
>>
>>
>
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