Ignore any reports where the email was received by the recipient beyond a certain window.
24 hours is probably too soon. 1 week may very well be the sweet spot, because … if it really *IS* a campaign, chances are you dealt with it well within the 24 hour window. 1 month is way too late. Condense volume of complaints from the same recipient about the same sender down to a single cluster…. Other guidelines will present themselves I’m sure. Oh, and a bunch of False Positive complaints from a given sender to similar recipients (ie, all to the same or a small number of domains) …? If the sender domain and the recipient domain are siblings somehow, mark the sender as abusive and discard. Or send a nasty note… or fire the customer. YMMV. Aloha, Michael. -- Michael J Wise | Microsoft | 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 [mailto:mailop-boun...@mailop.org] On Behalf Of Gil Bahat Sent: Thursday, September 24, 2015 8:04 AM To: mailop@mailop.org Subject: [mailop] Ex-post-facto spam complaints, a possible UI problem / other mitigation Hi, Carefully observing our FBL complaints one by one, I see a disturbing phenomena: users marking swaths of email, sometimes received over a month ago as spam, accounting for a significant volume of complaints. I have good reason to believe this does not represent actual spam reporting, but rather an easy to perform what would have been a more complex (UI wise) task, tandem delete and unsubscribe. Users do this to emails which they clearly read and found useful (e.g. the welcome or email verification emails, emails which they opened, clicked and even forwarded at times, etc etc). I would like to request all providers to (A) consider changing their UI to account for this option / suggest unsubscription and deletion instead and (B) mitigate the impact of multiple consecutive reports. I am not able to quantify how this exactly affects our service but I have good reason to believe these are counted to full effect as much as any other spam complaint (e.g. from sources like return path senderscore). Feedback (outside the loop, snicker snicker) would be most welcome. Regards, Gil Bahat, DevOps/Postmaster, Magisto Ltd.
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