[Remops] (no subject)

[mas at pyradic.dyndns.org]

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Folks,

I could use some advice.  My ISP had a hardware failure a few days  
ago, and I must assume some mail has been lost back then.  Probably  
my dynamic IP was pointing to a box without a firewall during the  
outage, and the "connection refused" NAKs resulted in permanent  
failures.  Shit happens. :-(

However, pyradic statistics do not appear to have stabilized since  
then.  Take a look at
	http://stats.bananasplit.info/pyradic.mixmaster.pyradic.dyndns.org.txt
for example: Most pingers show pyradic at around 95% reliability,  
with "low" (90 or even 80%) figures for the last few days!

Any idea why this could be so?

I have been running mail servers for more than a decade now, and I  
believe I know what I'm doing with regards to sendmail, but I'm  
certainly new to the world of remailers.  While I don't keep mail  
logs for this machine, I do display them to a CRT, and I did not  
notice any errors.  At a failure rate of 5% or more, you'd think I  
should notice at least some error messages within a few minutes of  
looking.  Also, I tried stress-testing the availability of pyradic  
from an external connection, and other than rate limiting kicking in  
(which would not affect a compliant MTA at all, and should only slow  
down an incompliant one), there were no problems.

My next thought was that the problem might be due a lower number of  
messages passing through pyradic, which might account for increased  
latency and thus an apparent reduction in reliability.  However: a)  
remailer-stats do not show a significant decrease in number of  
messages; b) increasing dummy generation did not help; and c) pingers  
do not actually show a big increase in latency.

So what to do?  Where to look?  I'd be thankful for any hints or ideas.

TIA,
Marc

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