500 Unrecognized command

Issue #807 resolved
Dimitri Dill created an issue

I get this failure, if I try send mails via different Apps based on SMTP.

The poste.io mailserver returns this failure code “

18:22:31 6E-94B5-898A99C226EF... 192.168.208.1 → 587 helo: _ local_port: disconnected

Setting in different Apps. This settings are normally the same

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