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SubjectRe: duplicated mails flood from this ML
Matti Aarnio writes:
> Especially fgwmail and fgwnews seem to exhibit this
> behaviour, fgwmail5 and fgwmail6 don't show up at "bad boys"
> statistics.
>
> 289 fgwnews.all
> 54 fgwnews.not-ok
> 730 fgwmail.all
> 116 fgwmail.not-ok
> 84 fgwmail5.all
> 0 fgwmail5.not-ok
> 73 fgwmail6.all
> 0 fgwmail6.not-ok


This is the statistics of entry-path of the mail flood got from the
received mails headers.
fgwmail 83
fgwnews 82
fgwmail5 45
fgwmail6 31
-------------------
total 241

count(fgwmail) = count(fgwnews) =near count(fgwmail5) + count(fgwmail6)

In your above scenario, why hundreds of duplicated mails are
delivered?
If deliveries to fgwmail5/fgwmail6 always succeed, the duplicated
mails should be not more than 3 or so. Is it wrong?

> I would say fwgmail is having SERIOUS problems, and fgwnews
> nearly as bad.
>
> Out of memory (RAM+SWAP) ? Out disk-space ?
> I don't know what mechanisms can cause sendmail to groak.

I asked to the admin of fgwmail/fgwnews to investigate the machine
status and I forwarded your analysis of them.

I'll report thier investigation result when I get.


> Running http://www.zmailer.org/mxverify-cgi.html with
> your address doesn't reveal *currently* any problems.
> And for that matter, it never would reveal problems, where
> DATA+dot gets accepted, but not acknowledged.

It's your nice CGI script..
I also tried but he claimed nothing.

BTW, what do you mean "not acknowledged"?

--
Computer Systems Laboratory, Fujitsu Labs.
kumon@flab.fujitsu.co.jp

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