On Sat, Apr 08, 2023 at 09:48:12AM -0400, Jamal Hadi Salim wrote:
> ---------- Forwarded message ---------
> From: Postmaster <postmaster@dopamine-today.bounceio.net>
> Date: Sat, Apr 8, 2023 at 3:53 AM
> Subject: Undeliverable: Re: [PATCH v4 net-next 2/9] net/sched: mqprio:
> simplify handling of nlattr portion of TCA_OPTIONS
> To: <jhs@mojatatu.com>
> 
> 
> MESSAGE NOT DELIVERED
> 
> There was an issue delivering your message to got@dopamine.today. This
> is an 5.1.2 Error.
> 
> This error typically means: The domain name of the email address is not valid

But dig(1)-ing the domain in question shows no error:

```
; <<>> DiG 9.16.37-Debian <<>> dopamine.today
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55123
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;dopamine.today.                        IN      A

;; ANSWER SECTION:
dopamine.today.         300     IN      A       91.195.240.94

;; Query time: 433 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sun Apr 09 19:41:03 WIB 2023
;; MSG SIZE  rcvd: 59

```

And because of now-frequent this annoying bounce, I have to tell gmail to
block Postmaster of this domain (i.e. the one that send this bounce). Thus,
it is likely that the problem is email routing.

Konstantin, would you like to have a look on this?

-- 
An old man doll... just what I always wanted! - Clara