Hello,
where can I buy IMail?
(not at Ipswitch.com, cheaper :)
Alex
where can I buy IMail? (not at Ipswitch.com, cheaper :)
Google and Froogle are your friends.
--Sandy
Sanford Whiteman, Chief Technologist
Broadleaf Systems, a division of
Cypress Integrated Systems, Inc.
e-mail: [EMAIL PROTECTED]
CDW
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Behalf Of Hirthe, Alexander
Sent: Tuesday, September 21, 2004
12:27 AM
To: [EMAIL PROTECTED]
Subject: [Declude.Virus] IMail?
Don't you ever sleep?
Good night.
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
On Behalf Of Sanford Whiteman
Sent: Tuesday, September 21, 2004 12:34 AM
To: Hirthe, Alexander
Subject: Re:
For three days now we've been getting these emails addressed to random
strings every few minutes. IPs keep changing. Sometimes one mail per IP,
sometimes several. What is this? Zombie computers? Forged IPs? And how
many hits are you going to get with random strings?
09:21 00:00
Oh wow. I've seen this before.
I can't remember the name, something like an 'inadvertent reflective
DDOS attack'.
Here's whats happening. A spammer is sending you emails to known bad
addresses at your domain, with the real intended address forged as the
return address. Your machine will
Look in the archives for info on dictionary attacks. They're very common
these days.
Darin.
- Original Message -
From: Stan Buck [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, September 21, 2004 11:49 AM
Subject: [Declude.Virus] Attack?
For three days now we've been getting
I've seen this happening with us for a while now.. I started tracking the IP
addresses to try and have iMail block them, but I would have to enter them
manually and wasn't going to do that.. Way too many.. Hahaha
I think the only way to really fix this (what I've been looking at and
trying to
Since these all look like they have null originating addresses, to me they look a lot
more like virus bounce messages.
In order for it to be a reflective attack, the system being DDOS'd would have to be
listed as the originating address.
-Original Message-
From: [EMAIL PROTECTED]
I had two gateways running declude, both boxes were Dual Xeon 2.8Ghz, 2GB
Ram, 3x36Gb 15K scsi, 128MB Raid controller and both boxes could not handle
the load when this happened to me. In the last week and a half I put up a
postfix(Imgate) gateway. This one box is doing what 2 of the others
Was there a how-to that you followed to set this up, or did you just do a
search and take a little here, and a little there to finally get your setup?
Also, do you manually enter legit e-mail addresses locally or have them
looked up via LDAP, or something else..
Thanks.. -Jeff
-Original
I am with Kris, thats a great solution, we just in planning here.
And of course, deleting all nobody aliases...
marc.
At 19:17 21.09.2004, you wrote:
I had two gateways running declude, both boxes were Dual Xeon 2.8Ghz, 2GB
Ram, 3x36Gb 15K scsi, 128MB Raid controller and both boxes could not
Actually there is a batch file that runs on the imail server that exports
the users out to a .txt file then uploads them to the gateway server. I
actually was in a real bind, since my mail was not coming through and slowed
delivery to 8 hours plus, so I contacted Len Conrad to do the install for
Indeed, unless those originating IPs can be forged, it looks like mail is
bouncing off of them TO us. Like a mail was sent to them with bad to: and
from: addresses. We're the from address.
Maybe I should activate the Nobody alias just long enough to see one of the
messages.
- Original
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