Re: [Tools-discuss] email/tools: WG unsubscribe notification

[Michael Richardson <[e-mail]>]

Toerless Eckert <[e-mail]> wrote:
    > (As ANIMA WG chair) i just received 31 emails of the type

    >> Date: Wed, 18 May 2022 09:00:01 -0700 From: [e-mail]
    >> To: [e-mail] Subject: Anima unsubscribe notification
    >>
    >> [e-mail] has been removed from Anima. (disabled address)

    > I don't remember i have seen this before over the years. If this is a
    > new feature, and there was an email explaining it, i must have missed
    > the email or URL explaining it. Pointer welcome.

This has been around since the dawn of our use of mailman.
It is likely that just fewer people are on the lists you run who cause bounces.

    > This looks like a nice feature to eliminate old junk, except that i am
    > worried (after the recent incident with my own emails spam filter
    > caused unsubscription), how exactly the condition "disabled address" is
    > determined.

It's generally, a 5xx bounce.  More than one.
I had to stop using one contracted out spam filtering company because they
insisted upon 5xx replies, and I got kicked off EVERY IETF mailing list
within a few days.

    > recipient verify from ldap failed (in reply to RCPT TO command) (in
    > reply to RCPT TO command)

That likely means that the employee was removed from the companies' database.

    > I would appreciate if this error indication would also be included in
    > the "Unsubscribe notification" email, so that we as WG chairs (or other
    > mailing list owners) can do our best to help finding false positives.

Not likely, because that error is actually from the end user.



--
Michael Richardson <[e-mail]>, Sandelman Software Works
 -= IPv6 IoT consulting =-