New Batch: found 200 messages waiting, Number keeps increasing

[Mike Kercher]

mailscanner-bounces at lists.mailscanner.info <> scribbled on :

> -----Original Message-----
>> From: mailscanner-bounces at lists.mailscanner.info
>> [mailto:mailscanner-bounces at lists.mailscanner.info] On
> Behalf Of Derek
>> Catanzaro
>> Sent: Tuesday, October 03, 2006 7:48 PM
>> To: MailScanner discussion
>> Subject: New Batch: found 200 messages waiting, Number keeps
>> increasing
>> 
>> This morning while tailing my maillog I had roughly 200 messages
>> waiting which is pretty normal for me.  As the day progressed the
>> number kept increasing all the way up to close to 10,000 messages
>> waiting.  I need some help in determining what is causing
> this or some
>> guidance on what to look for.  I have had this happen in
> the past and
>> it has usually been DNS related but I can rule that out
> this time.  I
>> have named running and I am running a local caching name
> server and it is working as expected.
>> 
>> I did notice several times throughout the day that spamassassin was
>> timing out but I am not sure if this is the actual cause of
> the backup.
>> 
>> The only other thing that has changed on my system is that I have
>> pyzor working now (it was not working before) but that
> change was made
>> a few days ago and I have not seen a backup like this until today.
>> 
>> I have spot checked a few mail files and some emails are
> coming in by
>> as much as 8 hours late, this is not going to make for a good
>> Wednesday morning.  Any suggestions on what to check for would be
>> greatly appreciated.
>> 
>> Fedora Core 1
>> MailScanner 4.49.7
>> spamassassin 3.1.0
>> 
> 
> Mike Kercher wrote:
>> Are you running a local caching-only nameserver?  Are you doing RBL
>> checks from within spamassassin or at the MTA?  Any custom
> SA rulesets?
>> 
>> Mike
>> 
> 
> I am caching DNS entries locally for the sake of performance.
>  I do however have my ISP's DNS servers listed as well in
> case the local machine does not have a name cached.  RBL
> checks are not occurring at the MTA (sendmail) level.  The
> only other rules I have added myself would be the
> 70_sare_stocks.cf and one other german ruleset to stop german
> spam, that's all.*
> 
> *One other thing I have noticed in the log is the following message:
> "stat=timeout waiting for input during message collect".  I
> am going to see what I can find out about that error.  If
> anyone has any input on that I would appreciate it.
> 
> Derek
> 
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What kind of firewall do you have in place?

Mike