Re: [Declude.JunkMail] Postmaster Spoofed Returns

2007-09-27 Thread Darin Cox
SPF can help a bit, if the receiver of the spoofed emails uses SPF for 
filtering and does not bounce on SPF violation.

We've been able to limit the bounces that get through so far to just a few, 
mostly through detection of any remnants of the original spam in the bounce.

Darin.


- Original Message - 
From: Kevin Stanford [EMAIL PROTECTED]
To: declude.junkmail@declude.com
Sent: Thursday, September 27, 2007 9:49 AM
Subject: [Declude.JunkMail] Postmaster Spoofed Returns


Does anyone have any suggestions on how to stop returned email on spoofed
email addresses for our domain.

I was going to setup a rule but it would catch good and bad alike...

Thanks,

Kevin



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[Declude.JunkMail] Postmaster Spoofed Returns

2007-09-27 Thread Kevin Stanford
Does anyone have any suggestions on how to stop returned email on spoofed
email addresses for our domain.

I was going to setup a rule but it would catch good and bad alike...

Thanks,

Kevin



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Re: [Declude.JunkMail] Postmaster Spoofed Returns

2007-09-27 Thread Richard Lyon
I'm interested in this as well - and have a related question. I would like to 
prevent vacation messages and autoresponder messages from going out to 
addresses which fail an SPF record check... is this possible? I know this won't 
be that many, but every little bit helps.
I used Declude with Imail.
Thanks!
Richard
-Original Message-
From: Kevin Stanford [EMAIL PROTECTED]
Sent 9/27/2007 9:49:49 AM
To: declude.junkmail@declude.com
Subject: [Declude.JunkMail] Postmaster Spoofed ReturnsDoes anyone have any 
suggestions on how to stop returned email on spoofed
email addresses for our domain.
I was going to setup a rule but it would catch good and bad alike...
Thanks,
Kevin
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RE: [Declude.JunkMail] Postmaster Spoofed Returns

2007-09-27 Thread Kevin Stanford
I suppose the detection of any remnants of the original spam is going to
be a manual process...correct? 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Darin
Cox
Sent: Thursday, September 27, 2007 9:08 AM
To: declude.junkmail@declude.com
Subject: Re: [Declude.JunkMail] Postmaster Spoofed Returns

SPF can help a bit, if the receiver of the spoofed emails uses SPF for
filtering and does not bounce on SPF violation.

We've been able to limit the bounces that get through so far to just a few,
mostly through detection of any remnants of the original spam in the bounce.

Darin.



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Re: [Declude.JunkMail] Postmaster Spoofed Returns

2007-09-27 Thread Darin Cox
The filters we have in place usually detect them.  If you're not using 
Sniffer, I highly recommend you add it.

Darin.


- Original Message - 
From: Kevin Stanford [EMAIL PROTECTED]
To: declude.junkmail@declude.com
Sent: Thursday, September 27, 2007 10:55 AM
Subject: RE: [Declude.JunkMail] Postmaster Spoofed Returns


I suppose the detection of any remnants of the original spam is going to
be a manual process...correct?

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Darin
Cox
Sent: Thursday, September 27, 2007 9:08 AM
To: declude.junkmail@declude.com
Subject: Re: [Declude.JunkMail] Postmaster Spoofed Returns

SPF can help a bit, if the receiver of the spoofed emails uses SPF for
filtering and does not bounce on SPF violation.

We've been able to limit the bounces that get through so far to just a few,
mostly through detection of any remnants of the original spam in the bounce.

Darin.



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unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
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Re: [Declude.JunkMail] Postmaster Spoofed Returns (and new question)

2007-09-27 Thread Richard Lyon
This would be outgoing email (below). While I work for a company, deleting 
email would be a no-no... we just put **spam** in the subject and let the 
user's deal with it.
-Original Message-
From: Richard Lyon [EMAIL PROTECTED]
Sent 9/27/2007 10:22:31 AM
To: declude.junkmail@declude.com
Subject: Re:  [Declude.JunkMail] Postmaster Spoofed Returns
I'm interested in this as well - and have a related question. I would like to 
prevent vacation messages and autoresponder messages from going out to 
addresses which fail an SPF record check... is this possible? I know this won't 
be that many, but every little bit helps.
I used Declude with Imail.
Thanks!
Richard
-Original Message-
From: Kevin Stanford [EMAIL PROTECTED]
Sent 9/27/2007 9:49:49 AM
To: declude.junkmail@declude.com
Subject: [Declude.JunkMail] Postmaster Spoofed ReturnsDoes anyone have any 
suggestions on how to stop returned email on spoofed
email addresses for our domain.
I was going to setup a rule but it would catch good and bad alike...
Thanks,
Kevin
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