Re: patch mail rejected by vger.kernel.org

[Eric Wong]

Zhouyi Zhou <yizhouzhou@xxxxxxxxx> wrote:
> Hi,
>   Yesterday, I cced 5 patches to linux-kernel@xxxxxxxxxxxxxxx using send-email, but all of them were
> rejected by mail server at vger.kernel.org as follows: 
>   "Dear yizhouzhou@xxxxxxxxx, Your message to linux-kernel@xxxxxxxxxxxxxxx was rejected by the recipient domain. The error that the other server returned was: " SMTP error, RCPT TO: 451 4.7.1 Hello [159.226.251.20], for recipient address <linux-kernel@xxxxxxxxxxxxxxx> the policy analysis reported: zpostgrey: connect: Connection refused". Your original message is included as attachment."
>   I have successfully posted to linux-kernel@xxxxxxxxxxxxxxx previously. And maintainers have received my patch
> correctly yesterday. Do you know what is going on?

+Cc: some folks who may actually know what's going on...

It looks like the zpostgrey instance goes down and is not
restarting.  I've noticed it on the git@vger list a few times
recently, too; but I'm not sure if any messages got rejected
for git@vger (we get a lot fewer messages than LKML).