Laura, Thanks for your reply! Highly appreciated. Inline:
>> - Anyone else seeing this behaviour from gmail recently? >> - Could the newly created, custom MAIL-FROM-domain cause a behaviour like >> this? The MAIL-FROM-Domain has not yet been used before, but the sending >> email address was the same > > You changed a domain that is important in authentication. That changed the > identity of the message. That meant you were treated as a semi-new sender by > the machine learning filters. I was aware that different IPs, domains or email addresses require prior warmup – but I was not aware that the return-path/MAIL-FROM-domain also requires a warmup. Interesting. >> Any insights or hints on how to investigate this would be highly appreciated. > > You may need to back off and go through a short warmup phase to introduce > that this SPF + this DKIM + this Header From from SES shared pool is a valid > source of mail. Will do this over the coming weeks. I’ll spread out my next campaign from one hour to 5-15 days. > ALSO - did you actually have any delivery problems? One thing I’ve noticed > (at Gmail in particular) is that changes in an authenticated domain often > result in a lower rate of pre-fetching of images *without* any corresponding > change in delivery. Yes. All other metrics (hits on homepage, sales, customer responses, unsubscribes) were WAY lower than anticipated compared to previous campaigns. It’s not a measurement thing that’s off. > Before you start freaking out about things, check to see if your delivery is > different. Pixel loads are fickle beasts and it’s worthwhile to understand if > this is a change in display behavior (ie, it’s a new sender of email, so > Google isn’t going to prefetch mail until it knows if this is a valid and > wanted mail stream or if it’s someone faking your sending domain) or if it’s > a change in delivery behavior (ie, Google dropped all the mail in the spam > folder). > > If it’s simply prefetch behavior, there’s nothing you can do. Google gonna > Google. I know these things are tricky. But: In the past years, we had at least consistent results with tracking pixels. I cannot validate the absolute numbers, but each campaign yielded roughly the same read rates (+/-10 %). Best, Mendel _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
