We have an urgent issue. I already wrote to T-Online support and the just respond that AMAZON has to contact them. So please Amazon support Team solve this issue. Some of your SES servers are blocked from the German provider @t-online.de
421 IP=69.169.224.8 - No more parallel connections from your address allowed
The error message quoted here is addressed to the operator of the dispatch system().
of the shipping system() and he should, if necessary, contact us - gladly in
contact us to clarify the cause of the problem.
clarify the cause of the problem.
In this context, the chosen contact route via you is unfortunate,
because you can neither change the unfortunate situation nor are you authorised
entitled to receive information about the reasons for the rejection.
For this reason, it is imperative that the responsible
administrator of the system in question contact us himself.
(*)
"69.169.224.8" resolves to "b224-8.smtp-out.eu-central-1.amazonses.com"
in the network with the name "AMAZO-22" and is according to whois in the
Amazon Web Services, Inc.".
Translated with www.DeepL.com/Translator (free version)
