Do these accounts ever *SEND* email? … Asking for a friend. Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Analysis "Your Spam Specimen Has Been Processed." Got the Junk Mail Reporting Tool<http://www.microsoft.com/en-us/download/details.aspx?id=18275> ?
From: mailop <[email protected]> On Behalf Of Paul Kincaid-Smith Sent: Wednesday, June 13, 2018 9:14 AM To: Michael Rathbun <[email protected]> Cc: [email protected] Subject: Re: [mailop] Hotmail/msn/lutlook performing unsolicited updates to users' safe- and blocked-sender lists? Hi MDR, Like you, we see promotional/marketing email achieve much lower inbox placement rates at Outlook compared to other ISPs like Gmail, Yahoo! and AOL. Even from responsible senders. At EmailGrades we analyze billions of data points a month using panel data for ESP-wide performance analysis and benchmarking. It's a large sample. Outlook is clearly treating email differently than Gmail, Yahoo! and AOL -- but that might not be a bad thing. My metrics suggest that Outlook has found a way to keep *read* rates in line with Gmail and Yahoo! even though Outlook moves a greater proportion of mail out of the Inbox into the spam folder. It seems they've found a way to identify mail that's less relevant to each recipient and keep it out of the recipient's inbox. Nothing's perfect, so I'm sure there's some collateral damage, but... if Microsoft's filters were aggressively moving heaps of *wanted* email out of the inbox, I'd expect Outlook's read rates to be lower, but my metrics show that read rates at Outlook are often in line with read rates at Gmail and Yahoo! Image attached -- to show how an ESP's overall read rates at Outlook are similar to read rates at Gmail and Yahoo! -- even though this same ESP's inbox placement is far lower at Outlook (55-65%) than Gmail and Yahoo! (~80%). (I'm probably measuring read rates differently than you. I use IMAP's "message read" flag, not an open tracking pixel or click-tracking link.) Cheers, Paul Kincaid-Smith On Wed, Jun 13, 2018 at 9:20 AM, Michael Rathbun <[email protected]<mailto:[email protected]>> wrote: We have a product, GreenArrow Monitor, that is a fairly standard inbox rate monitoring tool. Senders incorporate the Monitor seed list, our robot collects and collates the data, users see the results, merriment may or may not ensue. Recently we had occasion to investigate weirdness in Hotmail stats. We would expect, for any campaign, given identical messages and uniform rules, they should all go to the inbox or all to the bulk folder. Additionally, if there is zero inbox delivery, the open stats should be miserable. What we have been seeing is fractional inbox rates (45%?) and cases where the reported inbox rate was zero but the unique opens were at 40%. What we found was that each seed account had extensive safe- and blocked-sender lists. These differed between accounts. Since the accounts have no human users, this is unexpected. Checking my own outlook.com<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Foutlook.com&data=02%7C01%7Cmichael.wise%40microsoft.com%7C7daab93557d44043d77808d5d14a3868%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636645039070430612&sdata=2R1JJ8yUBi7hFsXcUYwPiVkAb%2FS6zMJ37%2BWt1jnq2xg%3D&reserved=0> account, used for investigating individual client problems, I see unsolicited entries in the safe-sender list. I begin to formulate a plausible hypothesis that explains why so many of my clients see comparativey dismal open rates for their fully AUP-compliant email at hotmail, whilst seeing excellent response rates elsewhere. Anyone have insights on this? mdr -- We must not confuse statistical probability with some transcendental and utterly compelling force. -- Unspiek, Baron Bodissey (Life, Volume II) _______________________________________________ mailop mailing list [email protected]<mailto:[email protected]> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchilli.nosignal.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fmailop&data=02%7C01%7Cmichael.wise%40microsoft.com%7C7daab93557d44043d77808d5d14a3868%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636645039070430612&sdata=M80uWj10sGMdcrESgUv792DUhV5JBvGQgd9Q%2BFaafKI%3D&reserved=0>
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