From: Tanstaafl <tanstaafl@libertytrek.org>
To: gentoo-server@lists.gentoo.org
Subject: Re: [gentoo-server] Postfix Double Bounce Handling
Date: Tue, 15 May 2012 15:02:50 -0400 [thread overview]
Message-ID: <4FB2A85A.2050409@libertytrek.org> (raw)
In-Reply-To: <0EB9FFAD-650F-4EF2-8EB8-3FCB572C3E91@cc.if.ufrj.br>
On 2012-05-14 2:48 PM, Vinícius Ferrão <viniciusferrao@cc.if.ufrj.br> wrote:
> But I don't understand what can make my server a backscatter source.
>
> I'm not relaying from outside, and I only accept messages from my
> domain,
*From* your domain? Or destined *for* your domain?
> and only from my aging sendmail+dovecot server, so no relaying from
> outside.
Well, since you haven't proven any of your assertions, we have no way of
knowing.
You should be asking this on the postfix list, but we can probably help
you here too, if you are willing to listen...
First, we'll need full output of postconf -n...
> What I don't have is what you said: check for local recipients. But
> this is a problem?
If you accept messages to *any* address (including invalid recipients),
then that is what is causing the bounce messages.
If you only accept messages for valid recipients, the bounces stop.
Simple, no?
prev parent reply other threads:[~2012-05-15 19:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-14 16:38 [gentoo-server] Postfix Double Bounce Handling Vinícius Ferrão
2012-05-14 17:22 ` Michael Orlitzky
2012-05-14 18:48 ` Vinícius Ferrão
2012-05-14 19:25 ` Michael Orlitzky
2012-05-15 19:02 ` Tanstaafl [this message]
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