Mailinglist Archive: opensuse (1809 mails)

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Re: [opensuse] postfix isn't accepting connections anymore. Any changes to postfix?
  • From: "Theo v. Werkhoven" <theo@xxxxxxxxxxxxxxxxxxxx>
  • Date: Fri, 10 Aug 2007 22:18:05 +0200
  • Message-id: <20070810201805.GA9915@xxxxxxxxxxxxxxxx>
Fri, 10 Aug 2007, by johannes.nohl@xxxxxxxxx:

> > I telnet the server on port 25. Now the so called banner should be
> > sent. But it isn't. So no chance to drop HELO. And after a while the
> > connection will be closed.
> 
> Sorry for the noise, after three days the problem is gone. Suddenly as
> it came. Don't know. Maybe a spam attack. Thanks Theo.

Postfix does *not* fall over because of a "spam attack". It's
designed to be able to handle 100s, or on very beefy hardware 1000s,
of simultaneous connections per second
I agree with the other repliers though, it was probably a DNS problem.

One question: why didn't you post the output from the grep command as
requested; do you really expect people to dig out an answer from
their xtal bowls?

Theo
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Theo v. Werkhoven    Registered Linux user# 99872 http://counter.li.org
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