Gmail servers are on a blacklist that the zsh list servers use.

On Jan 12, 2017 12:06 PM, "Daniel Shahaf" <d.s@daniel.shahaf.name> wrote:

> Timothee Cour wrote on Thu, Jan 12, 2017 at 09:34:23 -0800:
> > On this topic:
> >
> > when I try to send an email to zsh-users@zsh.org from my main gmail
> > (foo@gmail) using a different 'From' field (foo2@gmail) it sends an
> > automated response:
> > Delivery to the following recipient has been delayed: zsh-users@zsh.org
> Message
> > will be retried for 0 more day(s)
> > [and keeps failing]
>
> _Why_ was delivery delayed?  There should be a technical explanation in
> there.
>
> > so i need to log to my other gmail (foo2@gmail) that i signed-up with to
> > this mailing list. So looks like there is still a need to sign-up with
> this
> > approach?
> > [not using my primary email because this mailing list shows email in the
> > open, unlike bug-trackers like the ones I listed]
> >
> > Or am i doing something wrong?
>
> I suspect that the "subscribed" / "not subscribed" distinction might
> a red herring.  That said, you could try emailing
> zsh-users-allow-subscribe[at]zsh.org
> from foo2, to whitelist that address as a sender without subscribing it.
> (You'll need to reply to the autoreply)
>