Re: Delivery status notification spam

2021-06-09 Thread Steffen Nurpmeso
Wietse Venema wrote in <4g0fnm4hyszj...@spike.porcupine.org>: |Steffen Nurpmeso: |> Ciao from Germany to the big Apple! |> (Or maybe .. peanuts?? Or Sunflower seeds? :) | |All of the above? I haven't been in the city for more than a year, Oh .. yes. And potatoes! Potatoes are good. |bu

Re: Delivery status notification spam

2021-06-09 Thread Wietse Venema
Steffen Nurpmeso: > Ciao from Germany to the big Apple! > (Or maybe .. peanuts?? Or Sunflower seeds? :) All of the above? I haven't been in the city for more than a year, but things are very slowly returning to normal in the Northeast US with vaccination levels around 70 percent. Wietse

Re: Delivery status notification spam

2021-06-09 Thread Steffen Nurpmeso
Wietse Venema wrote in <4g0bbj3dlnzj...@spike.porcupine.org>: |Steffen Nurpmeso: |>|Then Postfix sends a delivery status notification. |... |>|Again, Postfix opens the mailbox file, does an lseek() to the end |>|of the file, writes the message, flushes the output with fsync(), |>|and closes

Re: Delivery status notification spam

2021-06-09 Thread Wietse Venema
Steffen Nurpmeso: > |Then Postfix sends a delivery status notification. ... > |Again, Postfix opens the mailbox file, does an lseek() to the end > |of the file, writes the message, flushes the output with fsync(), > |and closes the mailbox file before claiming successful delivery. > | > |As f

Re: Delivery status notification spam

2021-06-09 Thread Steffen Nurpmeso
Steffen Nurpmeso wrote in <20210609165007.rc_ih%stef...@sdaoden.eu>: ... ||> Jun 9 01:38:06 postfix/smtpd[17007]: B713116056: client=unknown[45.13\ ||> 7\ ||> .22.84] | ... ||> status=sent (delivered to mailbox) || ||Postfix delivers an email message with message-id ||<2021060816

Re: Delivery status notification spam

2021-06-09 Thread Steffen Nurpmeso
Hello. That was fast, thanks. Wietse Venema wrote in <4g0wjn1gdwzj...@spike.porcupine.org>: |Steffen Nurpmeso: |> Jun 9 01:38:06 postfix/smtpd[17007]: B713116056: client=unknown[45.137\ |> .22.84] ... |> status=sent (delivered to mailbox) | |Postfix delivers an email message with m

Re: Delivery status notification spam

2021-06-09 Thread Viktor Dukhovni
On Wed, Jun 09, 2021 at 11:48:45AM -0400, Wietse Venema wrote: > > Jun 9 01:38:07 postfix/local[17012]: B713116056: > > to=, relay=local, delay=2.1, delays=1.3/0.01/0/0.83, > > dsn=2.0.0, status=sent (delivered to mailbox) > > Postfix opens the mailbox file, does an lseek() to the end of the

Re: Delivery status notification spam

2021-06-09 Thread Wietse Venema
Steffen Nurpmeso: > Jun 9 01:38:06 postfix/smtpd[17007]: B713116056: > client=unknown[45.137.22.84] > Jun 9 01:38:06 postfix/cleanup[17011]: B713116056: > message-id=<20210608163805.e242f6fe5d7ac...@sdaoden.eu> > Jun 9 01:38:06 postfix/qmgr[2581]: B713116056: from=, > size=2828, nrcpt=1

Delivery status notification spam

2021-06-09 Thread Steffen Nurpmeso
Hello. For a month or so i struggle with occasional such reports, as below. The log of the last is like Jun 9 01:38:05 postfix/smtpd[17007]: warning: hostname hosted-by.rootlayer.net does not resolve to address 45.137.22.84 Jun 9 01:38:05 postfix/smtpd[17007]: connect from unknown[45.137.