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 >
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