Undoubtably. That's why you should always use a token to identify which subscriber to remove, not relying on the from address of the unsub request.
On Fri, Apr 19, 2019 at 12:14 PM Luke <lukemarti...@gmail.com> wrote: > > Could they be forwards or distribution lists? > > On Fri, Apr 19, 2019, 8:59 AM Michael E. Weisel <mwei...@goldlasso.com> wrote: >> >> Happy Friday everyone and a Happy Passover/Easter/Good Friday to all those >> that apply :) We’ve been using List-Unsubscribe with both the “mailto” and >> the “unsubscribe url” for quite some time. We have a back-end process that >> sends all unsub requests to a mailbox in which we parse and opt subscribers >> out appropriately according to each of our customers. We’re noticing that a >> handful of unsub requests that come in don’t match up to the email addresses >> that the messages were necessarily sent to. My guess is that the devices >> that are being used to send the unsub mail are using the the default email >> address of their mail client which may not be the address that the email was >> sent to. The behavior doesn’t seem to be ISP or domain specific as I’ve >> seen Yahoo, Gmail, AOL, etc.. Does anyone have experience with this, that >> may be able to make a suggestion as to how this works and if there is >> anything that can be done? >> >> >> >> >> >> Thanks, >> >> >> >> Michael >> >> >> >> Michael E. Weisel >> >> CTO / Deliverability Lead >> >> Gold Lasso >> >> 25 Chestnut Street, Suite B >> >> Gaithersburg, MD 20877 >> >> (301) 990-9857 Corporate >> >> (240) 252-5267 Direct Dial >> >> >> >> _______________________________________________ >> mailop mailing list >> mailop@mailop.org >> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop -- al iverson // wombatmail // miami http://www.aliverson.com http://www.spamresource.com _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop