Tonnerre Lombard wrote:
Salut, Marco,
On Mon, 20 Oct 2008 14:15:41 +0200, Marco Fretz wrote:
What I'm trying to say is: As a mail service provider (recipient
side) you can use greylisting and if there are some buggy mailers
out there in the internet (or in your local network) it's not a
Hi Tonnerre,
You got me wrong :-)
What I'm trying to say is: As a mail service provider (recipient side)
you can use greylisting and if there are some buggy mailers out there in
the internet (or in your local network) it's not a greylisting problem
and it's not your problem. they have to fix
Salut, Marco,
On Mon, 20 Oct 2008 14:15:41 +0200, Marco Fretz wrote:
What I'm trying to say is: As a mail service provider (recipient
side) you can use greylisting and if there are some buggy mailers
out there in the internet (or in your local network) it's not a
greylisting problem and it's
On the Fri, Oct 17, 2008 at 12:06:45AM +0200, Tonnerre Lombard blubbered:
Hallo.
This is basically the collision between lazy technicians coming up
with excuses why they're not responsible and stupid users who cannot
do things right. I'm afraid that the purely technical point of view is
not
Salut, Martin,
On Fri, 17 Oct 2008 10:18:31 +0200, Martin Ebnoether wrote:
What do you do, when customers are quitting their contracts
because they think they receive too much spam? Which of the two
groups will it be for you?
You're falsely implying that greylisting is the only way to fight
Tonnerre Lombard wrote:
Salut, Marco,
On Thu, 16 Oct 2008 15:22:39 +0200, Marco wrote:
fully agreed. thats a bad argument against greylisting. if php
scripts or other webserver stuff, like newsletter servers, etc.. use
their own MTA which is most likely a fancy carp script, as you said,
Tonnerre Lombard wrote:
Salut, Marco,
On Thu, 16 Oct 2008 15:22:39 +0200, Marco wrote:
fully agreed. thats a bad argument against greylisting. if php scripts
or other webserver stuff, like newsletter servers, etc.. use their own
MTA which is most likely a fancy carp script, as you said,
On Wednesday 15 October 2008, Tonnerre Lombard wrote:
[..]
Not very problematic for the mail server but of course the PHP
script does _not_ attempt redelivery. And your users go to
gmail, because there they get the mail. Not sure that's
desirable for you.
This whole discussion is pointless.
Michael Naef wrote:
On Wednesday 15 October 2008, Tonnerre Lombard wrote:
[..]
Not very problematic for the mail server but of course the PHP
script does _not_ attempt redelivery. And your users go to
gmail, because there they get the mail. Not sure that's
desirable for you.
This whole
Salut, Per,
On Fri, 17 Oct 2008 12:47:48 +0200, Per Jessen wrote:
Another option is to disable greylisting just for that one
mailserver.
This implies that either you know all servers hosting broken scripts
(NP-complete I think) or your customers will always communicate
problems. Usually they
Salut, Marco,
On Fri, 17 Oct 2008 15:21:59 +0200, Marco Fretz wrote:
Of course I know what you mean. That's the thing every webhoster have
to fight with. Last year I was on the Secure Linux Admin Conference in
Berlin. There was a workshop how to protect shared hosting
webservers...
I am
Salut, Michael,
On Fri, 17 Oct 2008 15:40:18 +0200, Michael Naef wrote:
And that is something a customer with his little online shop
will show open ears to you explaining him why to change his
mailer script.
That's illusionary. Most of the time they don't care about the one or
two customers
: Friday, October 17, 2008 5:27:10 PM
Subject: Re: [swinog] RBL's (again) (Was: Anyone from Green here?)
Salut, Per,
On Fri, 17 Oct 2008 12:47:48 +0200, Per Jessen wrote:
Another option is to disable greylisting just for that one
mailserver.
This implies that either you know all servers
Tonnerre Lombard wrote:
Salut, Per,
On Fri, 17 Oct 2008 12:47:48 +0200, Per Jessen wrote:
Another option is to disable greylisting just for that one
mailserver.
This implies that either you know all servers hosting broken scripts
(NP-complete I think) or your customers will always
Hi Tonnerre
On Friday 17. October 2008, Tonnerre Lombard wrote:
[..]
That's illusionary. Most of the time they don't care about the
one or two customers you at $technically_intelligible_isp
have.
Did you realize that I'm not talking about greylisting but _real_
4xx?
They care about gmail
for the right task :-)
- Original Message
From: Tonnerre Lombard [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: swinog@lists.swinog.ch; [EMAIL PROTECTED]
Sent: Friday, October 17, 2008 5:27:10 PM
Subject: Re: [swinog] RBL's (again) (Was: Anyone from Green here?)
Salut, Per
Salut, Stanislav,
On Fri, 17 Oct 2008 08:42:49 -0700 (PDT), Stanislav Sinyagin wrote:
actually greylisting works pretty well, and the whitelist
of exceptions is relatively small (not more than 300 entries as
far as I remember). Also if you communicate the value
of it to the customers, they
Salut, Daniele,
On Thu, 16 Oct 2008 00:05:38 +0200, Daniele Guazzoni wrote:
You'd rather blame the lazy programmers who don't cares about RFCs
and other standards !
I think that blame is for people who don't care about solutions. I care
for my users and their ability to receive the mail they
Salut, Marco,
On Thu, 16 Oct 2008 15:22:39 +0200, Marco wrote:
fully agreed. thats a bad argument against greylisting. if php scripts
or other webserver stuff, like newsletter servers, etc.. use their own
MTA which is most likely a fancy carp script, as you said, then its
actually not the
[EMAIL PROTECTED] wrote:
Am 11 Sep 2008 um 5:17 hat Stanislav Sinyagin geschrieben:
Greylisting only delays mails. Proper spammers just use ISP relays and
how about registering on an page and waiting for the accept email for hours
because your ISP do graylisting ?
taking a
Daniel Kamm wrote:
There are times, where the sending MTAs queue size is far to big for
the MTA to meet the queue times. I saw such problems multiple times.
When graylisting is configured for too short acceptance time, you will
have messages, which won't be transmitted.
# How long
On Oct 15, 2008, at 11:01 AM, Marco wrote:
we made the experience that not greylisting itself is the problem. the
problem are miss configured mailservers with wrong queue times or
servers interpreting the greylisting temp error code as an error.
There are times, where the sending MTAs queue
Marc SCHAEFER wrote:
[..]
I am a heavy users of those RBL lists, they offer quite a bit of
protection (but not as much as you might think, and with
You should use RBL's only for *scoring*; not for decision making and
then directly rejecting based on it.
quite a few false positives:
Am 11 Sep 2008 um 5:17 hat Stanislav Sinyagin geschrieben:
Greylisting only delays mails. Proper spammers just use ISP relays and
how about registering on an page and waiting for the accept email for hours
because your ISP do graylisting ?
taking a relax and drink some beers till the
PROTECTED]
Subject: Re: [swinog] RBL's (again) (Was: Anyone from Green here?)
Am 11 Sep 2008 um 5:17 hat Stanislav Sinyagin geschrieben:
Greylisting only delays mails. Proper spammers just use ISP relays and
how about registering on an page and waiting for the accept email for hours
because your ISP
Jeroen Massar schrieb:
Marc SCHAEFER wrote:
[..]
I am a heavy users of those RBL lists, they offer quite a bit of
protection (but not as much as you might think, and with
You should use RBL's only for *scoring*; not for decision making and
then directly rejecting based on it.
Am 11.09.2008 um 20:28 schrieb [EMAIL PROTECTED]:
great idea,
whitelisting every system on the world which sends confirmation
email ..
it will be an big efford for that small country to convince the rest
of the world
;-)
To be precise:
I use dnsbl.sorbs.net to blacklist all dynamic
Stanislav Sinyagin schrieb:
I don't know anything about proper spammers. Greylisting has reduced the
amount of incoming spam significantly, probably at 90-95%. Of course there
are spambots which play around greylisting, but they aren't yet that widely
used.
Agreed.
For my mail system at
:)
- Original Message
From: Adrian Senn [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, September 11, 2008 9:37:08 PM
Subject: Re: [swinog] RBL's (again) (Was: Anyone from Green here?)
Stanislav Sinyagin schrieb:
I don't know anything about proper spammers. Greylisting has
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