> On Oct 10, 2019, at 9:54 AM, Tobias Köck <tko...@imap.a2gb.de> wrote:
>
> ntern_mail.someurl.de,08D7265A6F30DBE4,12,10.32.68.13:2525,10.32.66.152:49726,*,Tarpit
> for '0.00:00:05' due to '550 5.7.61 SMTP; Anonymous client does not have
> permissions to send as this sender',
The Server plainly says that the envelope sender address requires
SASL login (or some other identity check).
> I suspect it is because Postfix send in the Envelope address for some reason
> the SIZE=423 with it
>
> MAIL FROM:<tko...@someurl.de> SIZE=434,
That makes no sense at all. Focus on the real problem.
--
Viktor.