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freelancewriter
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Click here to see the profile of this user 		ExactTarget Headers - 2007/06/19 00:52 Just received an e-mail from an ExactTarget client. There was list unsubscribe info in the headers, which ESPs seem slow to adopt even though (unless I'm missing something) it would seem be in their own best interest in terms of protecting reputation. (Unsub button vs. spam button in the e-mail client.)

List-Unsubscribe: <mailto:leave-fc811...@leave.exacttarget.com>

Or am I misreading why list unsub info would be in the headers?

Didn't notice anything else that stood out. No DomainKeys or DKIM signature yet for ExactTarget. ---------------------------------
Hats off to these ESPs that have
openly posted on this forum:
- Bronto
- Emma
- ExactTarget
- Gold Lasso
- GOT Corporation (Campaigner)
- iContact
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Mr Subject Line
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Gold Boarder
Posts: 47
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/06/19 01:17 Great! Too bad their service is down all the time. Tons of reliability issues!
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Emailguru
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Junior Boarder
Posts: 6
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/06/22 17:18 I heard they have stability issues as well. I guess its right. At first I figured they have a decent product to charge that much for emails. Guess not!
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freelancewriter
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Platinum Boarder
Posts: 91
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/07/06 00:32 Since I didn't previously post actual headers before, here is one from an ExactTarget client that I received today:

Return-Path: <[removed]@bounce.exacttarget.com>
Received: from source ([207.67.38.25]) by [removed];
Thu, 05 Jul 2007 14:02:01 PDT
Received: by xtinmta02-25.exacttarget.com (PowerMTA(TM) v3.2r11) id [removed]; Thu, 5 Jul 2007 14:23:45 -0500 (envelope-from <[removed]@bounce.exacttarget.com>)
From: [removed]
To: [removed]
Subject: [removed]
Date: Thu, 05 Jul 2007 14:21:52 -0500
List-Unsubscribe: <mailto:[removed]@leave.exacttarget.com>
MIME-Version: 1.0
x-job: [removed]
Content-Type: text/html;
charset="us-ascii"
Content-Transfer-Encoding: 7bit
Message-Id: <[removed].exacttarget.com>

As mentioned before, yes on list unsubscribe headers and no on DomainKeys and DKIM signatures. Al Iverson from ExactTarget did post in this forum that they do have some clients signing with DomainKeys and DKIM, but apparently not this particular client.

Al, does this (DomainKeys/DKIM signing) always have to be done with client level support, subdomains, etc.?

I'd also like to point out, since ExactTarget was slammed by two posters on this forum, that this sending IP (207.67.38.25) has a ReturnPath SenderScore of 80 and an accepted rate of 91.72%. Not all that bad.

Do a lookup of bounce.exacttarget.com on senderscore.org and poke around their other sending IPs:

207.67.38.42, SenderScore 95, accepted rate 95.50%

207.250.68.26, SenderScore 95, accepted rate 95.90%

207.67.38.41, SenderScore 95, accepted rate 96.96%

207.250.68.152, SenderScore 100, accepted rate 99.57%

I literally clicked those at random, but impressive numbers! ---------------------------------
Hats off to these ESPs that have
openly posted on this forum:
- Bronto
- Emma
- ExactTarget
- Gold Lasso
- GOT Corporation (Campaigner)
- iContact
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aliversonchicago
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Junior Boarder
Posts: 6
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/07/06 19:22 Yes, DK/DKIM is on a per client basis for clients who want it, can delegate a domain or have us buy one for them, and understand the value.

The technical bit is easy, and our preference is to implement DK/DKIM as far and as wide as possible. It's just that not everybody gets it. There's an ongoing educational process involved. If you surf on over to http://blog.etdeliverability.com you'll see a lot of what I post relates to banging the authentication drum.

I run a "hamtrap" where I sign up for many hundreds of lists served by many ESPs, ISPs, and direct senders. My periodic review of that data shows that only about 8.5% of the thousands of messages received over the past 60-70 days are signed with DK/DKIM.

So, senders as a whole have a long way to go on the DK/DKIM front.

BTW as far as the concerns about uptime -- I realize I am a bit biased, but I tend to be in the system somewhere around 40 hours a week, and it's working great for me.
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freelancewriter
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Platinum Boarder
Posts: 91
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/07/09 02:30 aliversonchicago wrote:
I run a "hamtrap" where I sign up for many hundreds of lists served by many ESPs, ISPs, and direct senders.

Any other interesting trends or observations you'd be willing to share based on your hamtrap? ---------------------------------
Hats off to these ESPs that have
openly posted on this forum:
- Bronto
- Emma
- ExactTarget
- Gold Lasso
- GOT Corporation (Campaigner)
- iContact
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aliversonchicago
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Junior Boarder
Posts: 6
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/07/10 00:55 What I learn from it I share with ExactTarget clients on occasion, usually at our conferences and webinars. Consider it a value add.

Anything I give out publicly you'll find on http://blog.etdeliverability.com or http://stats.dnsbl.com or http://www.spamresource.com.
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AuRoper
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Expert Boarder
Posts: 21
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/07/10 05:08 This IP addy is on 2 blacklists:

http://private.dnsstuff.com/tools/ip4r.ch?ip=207.67.38.25
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aliversonchicago
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Posts: 6
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/07/10 05:55 Yup. One of those blacklists which is labeled by DNS Stuff as "don't use" - APEWS, which lists all of Time Warner, a bunch of other stuff, and somewhere around 19% of email sent, from my calculations.

The other is Fiveten, which is even worse. It causes around a 44% false positive rate. Meaning if you use Fiveten, you don't get a lot of the mail you in theory wanted to get.

I'm a long time anti-spam activist myself, having created and run multiple (popular!) blacklists. I currently write reviews of blacklists on http://www.dnsbl.com and publish daily data on blacklist effectiveness at http://stats.dnsbl.com.

The real question is, what are these blacklists causing? Can you show bounces happening because of the listings?

Fiveten has been broken that way for years, having listed nearly half the earth by now. APEWS is newer, and is derided by smart folks like Steve Linford (Spamhaus) and Suresh Ramasubramanian (Mail.com) as badly run.

More important blacklists to be concerned about include Spamhaus, Spamcop, SORBS, etc.
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KosherSpam
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Platinum Boarder
Posts: 50
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Click here to see the profile of this user 		Re:ExactTarget Headers - 2007/07/10 18:47 I agree with Alverson. I think every ESP and their mother is on FiveTen and almost no one uses it. The black lists to be concerned with are the big ones so most likely they are non issues.
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