server and Im in process to
migrate
to a better machine, but actually Im having spam attacks in the server
than
saturate it. For the age of the server and because in two weeks is
replaced
I can't install any program like spamity or similar to help to detect
spam
attacks, but I need
Hi list
Im with the next problem: I have and old server and Im in process to migrate
to a better machine, but actually Im having spam attacks in the server than
saturate it. For the age of the server and because in two weeks is replaced
I can't install any program like spamity or similar to help
deconya:
Hi list
Im with the next problem: I have and old server and Im in process to migrate
to a better machine, but actually Im having spam attacks in the server than
saturate it. For the age of the server and because in two weeks is replaced
I can't install any program like spamity
in process to
migrate to a better machine, but actually Im having spam attacks in
the server than saturate it. For the age of the server and because
in two weeks is replaced I can't install any program like spamity or
similar to help to detect spam attacks, but I need to understand
W dniu 2009-03-05 06:30, Mihira Fernando pisze:
Have you ever tried sending an e-greeting to someone via 123greeting.com or
some other similar site ?
You're definitely right - I didn't use that one before.
Look what I get in logs:
Mar 5 09:41:50 lola postfix/smtpd[20278]: warning:
Paweł Leśniak a écrit :
W dniu 2009-03-05 06:30, Mihira Fernando pisze:
Have you ever tried sending an e-greeting to someone via
123greeting.com or
some other similar site ?
You're definitely right - I didn't use that one before.
Look what I get in logs:
Mar 5 09:41:50 lola
W dniu 2009-03-03 23:34, MacShane, Tracy pisze:
We have a very clear policy that users are only permitted to relay mail
from our networks. If they are sending from home, they use webmail.
We've had one or two instances where external organisations have used
some kind of auto-reply mechanism
Subject: Re: Spam attacks
W dniu 2009-03-03 23:34, MacShane, Tracy pisze:
We have a very clear policy that users are only permitted to relay mail
from our networks. If they are sending from home, they use webmail.
We've had one or two instances where external organisations have used
some kind
I can state with authority that mail with sender==recipient is not
universally 100% spam, and such a policy would likely have a much
higher false positive rate than zen. You can argue it's a
misconfiguration of the sender, but a mail admin's job is to receive
legit mail. but you're welcome
Paweł Leśniak wrote:
I think that situations pointed by you are rather rare.
I see them often enough here that I can't reject based solely
on this criteria, but I do add a couple spamassassin points.
If it's rare at your site, lucky you.
I don't know of
any, so I'm fine with rejecting 0
On Wed March 4 2009 08:48:18 Paweł Leśniak wrote:
But then we come to definition of spam. It's in simple words unwanted
message.
Too simple, and not correct. The true definition of spam is UBE:
unsolicited bulk email. Most spammers put out messages that a tiny
percentage of
On 3/4/2009, PaweB Le[niak (warl...@lesniakowie.com) wrote:
Looking at first email in thread carefully you'd see that Dave has
(or had) problem with spam sent from j...@foo.com to j...@foo.com. And
that's the case where authentication will do the job perfectly - IMHO
way better then zen.
On 3/4/2009, PaweB Le[niak (warl...@lesniakowie.com) wrote:
Looking at first email in thread carefully you'd see that Dave has
(or had) problem with spam sent from j...@foo.com to j...@foo.com. And
that's the case where authentication will do the job perfectly - IMHO
way better then zen.
Paweł Leśniak a écrit :
W dniu 2009-03-03 18:41, Noel Jones pisze:
Some legit reminder type services, some meeting notifications, and
other legit mail might arrive with you as the sender. Maybe not best
practices, but it's legit mail and such a policy will reject it.
Why would someone want
From: owner-postfix-us...@postfix.org
[mailto:owner-postfix-us...@postfix.org] On Behalf Of Pawel Lesniak
Sent: Wednesday, 4 March 2009 7:32 PM
To: postfix users list
Subject: Re: Spam attacks
W dniu 2009-03-03 23:34, MacShane, Tracy pisze
On Wednesday 04 March 2009 20:18:18 Paweł Leśniak wrote:
[snip]
Sure. I'm sending myself emails sometime. But I'm using server which is
permitted to send with address from my domain. So that's surely not 100%
spam when sender eq recipient. But then we come to definition of spam. It's
in simple
Dave Johnson wrote:
Hi all
Is there anyway of stopping the from j...@foo.com
mailto:from...@foo.com to j...@foo.com spam attacks?
Regards
If you're not using zen.spamhaus.org already, you should
start. If your site is too large to qualify for their free
use, the paid feed is well worth
W dniu 2009-03-03 17:46, Noel Jones pisze:
Some people reject their own domain from outside, unauthenticated
clients, but this will certainly reject some amount of legit mail.
Could you write a little bit how is it possible to reject legit mail by
rejecting unauthenticated clients when all
Dave Johnson wrote:
Hi all
Is there anyway of stopping the from j...@foo.com to j...@foo.com spam
attacks?
Regards
Well. If you are delivering via procmail, you can have a procmail rule
like this one (untested, and posibly larger than a experienced procmail
user will do, but should
Paweł Leśniak wrote:
W dniu 2009-03-03 17:46, Noel Jones pisze:
Some people reject their own domain from outside, unauthenticated
clients, but this will certainly reject some amount of legit mail.
Could you write a little bit how is it possible to reject legit mail by
rejecting
Paweł Leśniak wrote:
W dniu 2009-03-03 17:46, Noel Jones pisze:
Some people reject their own domain from outside, unauthenticated
clients, but this will certainly reject some amount of legit mail.
Could you write a little bit how is it possible to reject legit mail by
rejecting
-Original Message-
From: owner-postfix-us...@postfix.org
[mailto:owner-postfix-us...@postfix.org] On Behalf Of Pawel Lesniak
Sent: Wednesday, 4 March 2009 4:19 AM
To: postfix users list
Subject: Re: Spam attacks
W dniu 2009-03-03 17:46, Noel Jones pisze:
Some people reject
W dniu 2009-03-03 08:25, Dave Johnson pisze:
Hi all
Is there anyway of stopping the from j...@foo.com
mailto:from...@foo.com to j...@foo.com spam attacks?
Hi
Without knowing your config it's hard to say what are you already doing.
Are you using SASL authentication? If not, have a look
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