> Quoting Rajkumar S <[EMAIL PROTECTED]>:
> > Does any one seeing increasing smtp concurrency for the past couple of
> > weeks? I run couple of (qmail/simscan/spamassassin) mail servers and
> > all experience the same problem. The spam does not increase, but this
> > is hogging my mail servers. Pro
On Fri, 7 Sep 2007, Jason Haar wrote:
| What if SMTP servers report a 5XX and then drop the connection? I know
| that's not compliant, but a real mail server would have got the 5XX and
| so (mainly) wouldn't retry, and a spammer would have their connection
| terminated.
In exim-speak this is "dro
Henrik Krohns writes:
> On Fri, Sep 07, 2007 at 02:20:21AM -0500, Jeff Chan wrote:
> > Quoting Henrik Krohns <[EMAIL PROTECTED]>:
> >
> > > On Fri, Sep 07, 2007 at 10:09:27AM +1200, Jason Haar wrote:
> > > >
> > > > I knew things like this would eventually happen. Spammers basically have
> > > >
Hi all
probably more a sendmail Question and i googled around but may someone
can give me a short input
for 5xx
i have
$#error $@ 5.7.1 $: "550 Mail from [" $&{client_addr} "] Rejected.
in my sendmail.cf
does anybody know how i have to change it to 421
$#error $@ 4.2.1 $: "421 Mail from ["
Quoting Henrik Krohns <[EMAIL PROTECTED]>:
> On Fri, Sep 07, 2007 at 10:09:27AM +1200, Jason Haar wrote:
> >
> > I knew things like this would eventually happen. Spammers basically have
> > infinite resources, they can deliver us a LOT of hurt when they wish to.
> > I can think of a lot worse thin
On 9/6/07, Rick Macdougall <[EMAIL PROTECTED]> wrote:
> For qmail I added the file timeoutsmtpd in /var/qmail/control with a
> value of 180 inside it (default is 7200) and it seems to have fixed the
> problem without causing any new problems.
Thanks, I have changed timeoutsmtpd to 60 and the serve
Aaron Wolfe wrote:
On 9/6/07, Jeff Chan <[EMAIL PROTECTED]> wrote:
Quoting Rajkumar S <[EMAIL PROTECTED]>:
Hi,
Does any one seeing increasing smtp concurrency for the past couple of
weeks? I run couple of (qmail/simscan/spamassassin) mail servers and
all experience the same problem. T
Aaron Wolfe wrote:
>
> Same problem here on several servers. Reducing the timeout helps, but
> violates RFC and is simply reducing the effects rather than fixing the
> issue. Is there any RFC valid way for a server to hang up on a
> client, especially after a 5xx?
>
What if SMTP servers report a
On 9/6/07, Jeff Chan <[EMAIL PROTECTED]> wrote:
>
> Quoting Rajkumar S <[EMAIL PROTECTED]>:
>
> > Hi,
> >
> > Does any one seeing increasing smtp concurrency for the past couple of
> > weeks? I run couple of (qmail/simscan/spamassassin) mail servers and
> > all experience the same problem. The spam
Johnson, S wrote:
It's interesting you say that I don't give a response (most of the
time they're not there to receive it anyway and it clogs up my server
with undeliverable email - especially in BIG spam attacks). I have not
experienced this with my servers at all. Last week, a friend of mi
Rajkumar S wrote:
Hi,
Does any one seeing increasing smtp concurrency for the past couple of
weeks? I run couple of (qmail/simscan/spamassassin) mail servers and
all experience the same problem. The spam does not increase, but this
is hogging my mail servers. Probably a new crop of spamming tool
Rajkumar S
Cc: users@spamassassin.apache.org
Subject: Re: [OT] Seeing increase in smtp concurrency ?
Quoting Rajkumar S <[EMAIL PROTECTED]>:
> Hi,
>
> Does any one seeing increasing smtp concurrency for the past couple of
> weeks? I run couple of (qmail/simscan/spamassassin) mail servers and
Rajkumar S wrote:
Hi,
Does any one seeing increasing smtp concurrency for the past couple of
weeks? I run couple of (qmail/simscan/spamassassin) mail servers and
all experience the same problem. The spam does not increase, but this
is hogging my mail servers. Probably a new crop of spamming tool
Quoting Rajkumar S <[EMAIL PROTECTED]>:
> Hi,
>
> Does any one seeing increasing smtp concurrency for the past couple of
> weeks? I run couple of (qmail/simscan/spamassassin) mail servers and
> all experience the same problem. The spam does not increase, but this
> is hogging my mail servers. Prob
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