As normal civilians go, I know a lot about email. As mailman admins go, I know very little.
I manage a set of < 10 small email lists, mostly used by residents in an over-55 community. The biggest list has about 150 subscribers. Many of whom use gmail.
Anything I can do to drive up the reliability of such email will be greatly appreciated. In particular, I think it would help to implement "one-click unsubscribe". Is that something mailman3 will be doing?
Thanks!
On Tue, Feb 4, 2025 at 11:24 PM Jered Floyd <jered@convivian.com> wrote:
I'm having a lot of problems with GMail delivery due to lack of "one-click unsubscribe" -- however that is quantified, which is not clear.
In particular, there is an issue with the fact that Google ignores dots in email addresses. So I have many (MANY!) subscribers who try to use the List-Unsubscribe header target, but because they are subscribed as " idiotsubscriber@gmail.com" rather than "idiot.subscriber@gmail.com" (which they have since changed their sender to) they get a reject that they are not subscribed. These people are also far too unobservant to read the footer of every message that reads "You are subscribed as idiotsubscriber@gmail.com".
Is there any way to provide personalized List-Unsubscribe header links, or have Mailman ignore dots in gmail.com addresses... or... anything? I'm finding reported spam percentages in the Google Postmaster Dashboard exceeding 0.1%, which causes massive delivery blocking to GMail-based subscribers.
While I would gladly ban everyone who uses gmail, that sadly accounts for about half of the Internet today and would be incredibly unproductive.
Thanks, --Jered
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