On 03/06/2023 17:48, Julian Bradfield via Exim-users wrote:
> Having switched on acl debugging at the 70th denied RCPT, what I see
> in the logs is:
>
>
> check delay = 5s
> delay modifier requests 5-second delay
> delay cancelled by peer close
>
> As far as I can see, this only makes any sense if the attacker has
> closed its input stream (exim's output stream) - but then shouldn't
> exim get an error when it sends the response?
Yes. But you didn't show us that bit.
> And why would the
> attacker close its input stream so it can't see the response?
Because it doesn't really care? It can just pipeline all the
RCPT TO: lines, fire-and-forget.
--
Cheers,
Jeremy
--
## subscription configuration (requires account):
##
https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/
## unsubscribe (doesn't require an account):
## exim-users-unsubscribe@???
## Exim details at
http://www.exim.org/
## Please use the Wiki with this list -
http://wiki.exim.org/
