Hi Michael,

On Jun 22, 2010, at 6:58 PM, Michael Alger wrote:

> On Tue, Jun 22, 2010 at 05:16:54PM -0700, Terry Barnum wrote:
>> Ironically, email sent to me from the spam-l mailing list is
>> getting lost. DSPAM complains that it can't find a valid signature
>> and drops it. LMTP says it delivered it, but it's not making it to
>> my inbox. All other email appears to be getting delivered (but now
>> I'm nervous since it seems to be a silent problem.)
>> 
>> Any ideas? How can I try to figure out what's going on? 
> 
> It looks like dspam is trying to retrain the message. Otherwise,
> there's no reason for it to care about a signature.
> 
> What method do you use for retraining messages? Is it possible it's
> accidentally being triggered by these messages? The sender and
> client hostname will both match a /^spam-/ pattern, so maybe
> something was specified in a manner which might be matching things
> it's not supposed to.

I don't believe it's retraining at delivery time. The retraining happens every 
evening via a cron job that checks for false positives and false negatives in 
users' Junk NotJunk mail folders. Not the most ideal way I realize, but I've 
been setting up the mailserver in baby steps and this has been working.

Is it possible that dspam is getting confused by the sender address? 
<spam-l-boun...@spam-l.com> ?

> Is the "dspam-lmtp" filter that delivers via /tmp/dspam.sock
> definitely only classifying messages, or could it be retraining
> them?

Here's the dspam-lmtp filter line:

/./     FILTER dspam-lmtp:unix:/var/run/dspam.sock

> If your dspamd was compiled with debug mode enabled you might also
> try running it with debugging enabled while you pass it a message
> from spam-l, to see what configuration it's picking up via LMTP.

Good idea, I'll give it a shot.

Thanks,
-Terry
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