All messages getting marked as Spam

Alex Broens ms-list at
Wed Mar 23 15:33:48 GMT 2011

On 2011-03-23 16:21, Sumit Bhattacharjee wrote:
> Thank you for the helpful hints.  My DNS resolver points to an ISP recursor
> for the first entry and a generic Internet server  for the 2nd entry
> (  I don't seem to have a problem pinging by domain from the
> command line on the server.

ping tests are not relevant. Your ISP's resolvers may be 
tarpitted/blocked by BL providers and returning more positive response 
than normal.
It's practice to use a recursor under your control.

Once you do that I'd bet your problem goes away.

> Also, please note that not *All* inbound email is being marked as Spam.  For
> instance, this reply from Alex Broens was not.  But every other email to the
> MailScanner list today was marked at Spam.  So I am very puzzled.
> -----Original Message-----
> From: mailscanner-bounces at
> [mailto:mailscanner-bounces at] On Behalf Of Alex Broens
> Sent: Wednesday, March 23, 2011 12:42 AM
> To: mailscanner at
> Subject: Re: All messages getting marked as Spam
> On 2011-03-23 1:47, Sumit Bhattacharjee wrote:
>> Hello All,
>> I have been using MailScanner for several months now and it has been
>> working very well.  However, since yesterday, almost all inbound
>> messages are getting marked marked as Spam.  I have the SpamAssassin
>> threshold set to 6 (default I believe), and following are a couple of
>> examples of the spam report (email from different domains/IP's):
>> X-cospringsitcom-MailScanner-SpamCheck: spam, SpamAssassin (not cached,
>>    score=7.983, required 6, FREEMAIL_FROM 0.00, HTML_MESSAGE 0.00,
>>    URIBL_SEM_FRESH_15 4.10)
>> X-cospringsitcom-MailScanner-SpamScore: 7
>> X-cospringsitcom-MailScanner-SpamCheck: spam, SpamAssassin (not cached,
>>    score=9.235, required 6, HTML_MESSAGE 0.00, RCVD_IN_DNSWL_NONE -0.00,
>>    URIBL_BLACK 1.77, URIBL_RED 0.00, URIBL_RHS_DOB 0.28, URIBL_SEM 1.26,
>>    URIBL_SEM_FRESH 0.81, URIBL_SEM_FRESH_10 1.01,
>>    URIBL_SEM_FRESH_15 4.10, URIBL_SEM_RED 0.00)
>> X-cospringsitcom-MailScanner-SpamScore: 9
>> The commonality that I am seeing is that the URIBL_BLACK  is 1.77 for
>> almost all messages and URIBL_SEM_FRESH_15 is 4.10.  But I am not sure
>> what has changed (nothing should have).
>> I'd much appreciate any debugging steps recommended by experts on this
> list.
> either ALL your mail has blacklisted URLs in it (highly unlikely) or you
> have a DNS issue. Are you using a local resolver or your ISP's recursor?
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