[Declude.JunkMail] Ever legit?

2007-04-26 Thread Robert Grosshandler
Hi


We get e-mails that contain the following header (or something similar):

Received: from igive.com [71.250.241.101] by smtp.igive.com with ESMTP
(SMTPD-9.20)

The 71.xxx.xxx.xxx isn't ours.  That IP can vary, but it is never ours.

Are there any legit mailers that would send something in this form?

If not, what's the best way to score this over my delete weight?

Thanks,

Rob



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RE: [Declude.JunkMail] Ever legit?

2007-04-26 Thread David Barker
You could try using a filter like this:

#Remote mail hosts connecting and announcing your IP addresses
HELO 10 CONTAINS 208.100.26.91

#Remote mail hosts connection and announcing your hostnames
HELO 10 ENDSWITH igive.com 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert
Grosshandler
Sent: Thursday, April 26, 2007 4:45 PM
To: declude.junkmail@declude.com
Subject: [Declude.JunkMail] Ever legit?

Hi


We get e-mails that contain the following header (or something similar):

Received: from igive.com [71.250.241.101] by smtp.igive.com with ESMTP
(SMTPD-9.20)

The 71.xxx.xxx.xxx isn't ours.  That IP can vary, but it is never ours.

Are there any legit mailers that would send something in this form?

If not, what's the best way to score this over my delete weight?

Thanks,

Rob



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Re: [Declude.JunkMail] Ever legit?

2007-04-26 Thread Scott Fisher

A little more of the headers would be helpful.
It's a zombie of some flavor.
71.250.241.101 = static-71-250-241-101.nwrknj.east.verizon.net.

You could use a filter with
HELO 10 IS IGIVE.COM

- Original Message - 
From: Robert Grosshandler [EMAIL PROTECTED]

To: declude.junkmail@declude.com
Sent: Thursday, April 26, 2007 3:45 PM
Subject: [Declude.JunkMail] Ever legit?



Hi


We get e-mails that contain the following header (or something similar):

Received: from igive.com [71.250.241.101] by smtp.igive.com with ESMTP
(SMTPD-9.20)

The 71.xxx.xxx.xxx isn't ours.  That IP can vary, but it is never ours.

Are there any legit mailers that would send something in this form?

If not, what's the best way to score this over my delete weight?

Thanks,

Rob



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RE: [Declude.JunkMail] Ever legit?

2007-04-26 Thread Colbeck, Andrew
Robert, you would use a filter file for this, e.g.
 
#First, escape this file if the source is on your own network
REMOTEIP END CIDR 208.100.26.0/24 
REMOTEIP END CIDR 192.168.0.0/24
 
#Skip this whole test if we are already above a hold weight of 20
SKIPIFWEIGHT 25

#Apply a maximum total weight of 20 points
MAXWEIGHT 20
 
#These three penalty weights were constructed to prevent
#false positives where you are penalizing a hypothetical
#legitimate host, e.g. outbound.forgive.com
 
#Apply a penalty if the forged HELO is your exact domain name
HELO 20 IS igive.com
 
#Apply a penalty if the forged HELO contains a host in your domain name
HELO 20 ENDSWITH .igive.com
 
#Apply a tiny penalty if the HELO, forged or not, contains your domain
HELO  3 ENDSWITH give.com
 
I suggest that you always make the weights heavy enough to hold the
message, because if you delete it and it was a false positive, you can't
recover it.
 
A variation of this would be to get rid of the third test, and only keep
the first two.  Then set the weight to say, a single point instead of
20.  Then in your global.cfg or your domain specific file, specify an
action of HOLD.
 
Declude gives you a lot of flexibility to design the test you want, but
this scratches this surface.
 
I hope that helps,
 
Andrew.
 
 
 
 
 



 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
 Behalf Of Robert Grosshandler
 Sent: Thursday, April 26, 2007 1:45 PM
 To: declude.junkmail@declude.com
 Subject: [Declude.JunkMail] Ever legit?

 Hi


 We get e-mails that contain the following header (or
 something similar):

 Received: from igive.com [71.250.241.101] by smtp.igive.com with ESMTP
 (SMTPD-9.20)

 The 71.xxx.xxx.xxx isn't ours.  That IP can vary, but it is
 never ours.

 Are there any legit mailers that would send something in this form?

 If not, what's the best way to score this over my delete weight?

 Thanks,

 Rob



 ---
 This E-mail came from the Declude.JunkMail mailing list.  To
 unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
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 found at http://www.mail-archive.com.

 



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Re: [Declude.JunkMail] Ever legit?

2007-04-26 Thread Scott Fosseen
It looks like you have SPF setup on your DNS.

I would think that enabling the SPFFail test or adjusting the 
action/weight would correct your problem.  An email comes in, Declude looks 
up your SPF record from DNS and compares the IP with the list of trusted 
senders.  It should fail the test with the email coming from addresses not 
in your SPF record.


- Original Message - 
From: Robert Grosshandler [EMAIL PROTECTED]
To: declude.junkmail@declude.com
Sent: Thursday, April 26, 2007 3:45 PM
Subject: [Declude.JunkMail] Ever legit?


| Hi
|
|
| We get e-mails that contain the following header (or something similar):
|
| Received: from igive.com [71.250.241.101] by smtp.igive.com with ESMTP
| (SMTPD-9.20)
|
| The 71.xxx.xxx.xxx isn't ours.  That IP can vary, but it is never ours.
|
| Are there any legit mailers that would send something in this form?
|
| If not, what's the best way to score this over my delete weight?
|
| Thanks,
|
| Rob
|
|
|
| ---
| This E-mail came from the Declude.JunkMail mailing list.  To
| unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
| type unsubscribe Declude.JunkMail.  The archives can be found
| at http://www.mail-archive.com.
|
| ---
| [This E-mail scanned for viruses by Declude Virus on the server 
aea8.k12.ia.us]
|
| 



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RE: [Declude.JunkMail] Ever legit?

2007-04-26 Thread Kevin Bilbee
Do not accept mail with your own helo setup a helo filter

HELO 15 IS igive.com


Set it at your hold weight. Your actual server(s) IP addresses should already 
be whitelisted so it will not affect your internal mail routing.



Kevin Bilbee

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
 Robert Grosshandler
 Sent: Thursday, April 26, 2007 1:45 PM
 To: declude.junkmail@declude.com
 Subject: [Declude.JunkMail] Ever legit?
 
 Hi
 
 
 We get e-mails that contain the following header (or something
 similar):
 
 Received: from igive.com [71.250.241.101] by smtp.igive.com with ESMTP
 (SMTPD-9.20)
 
 The 71.xxx.xxx.xxx isn't ours.  That IP can vary, but it is never ours.
 
 Are there any legit mailers that would send something in this form?
 
 If not, what's the best way to score this over my delete weight?
 
 Thanks,
 
 Rob
 
 
 
 ---
 This E-mail came from the Declude.JunkMail mailing list.  To
 unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
 type unsubscribe Declude.JunkMail.  The archives can be found
 at http://www.mail-archive.com.





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RE: [Declude.JunkMail] Ever legit?

2007-04-26 Thread Robert Grosshandler
Thanks all!

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kevin Bilbee
Sent: Thursday, April 26, 2007 6:09 PM
To: declude.junkmail@declude.com
Subject: RE: [Declude.JunkMail] Ever legit?

Do not accept mail with your own helo setup a helo filter

HELO 15 IS igive.com


Set it at your hold weight. Your actual server(s) IP addresses should already 
be whitelisted so it will not affect your internal mail routing.



Kevin Bilbee

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
 Robert Grosshandler
 Sent: Thursday, April 26, 2007 1:45 PM
 To: declude.junkmail@declude.com
 Subject: [Declude.JunkMail] Ever legit?
 
 Hi
 
 
 We get e-mails that contain the following header (or something
 similar):
 
 Received: from igive.com [71.250.241.101] by smtp.igive.com with ESMTP
 (SMTPD-9.20)
 
 The 71.xxx.xxx.xxx isn't ours.  That IP can vary, but it is never ours.
 
 Are there any legit mailers that would send something in this form?
 
 If not, what's the best way to score this over my delete weight?
 
 Thanks,
 
 Rob
 
 
 
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 unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
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 at http://www.mail-archive.com.





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