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. Probably a
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
infinite resources,
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
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 things they
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 [
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 tools?
I am attaching
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. Probably a
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
@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
all experience the same problem. The spam
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
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
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 does not
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 5XX
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. The
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 server is
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