Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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TLS Fehler bei Zustellung

JonasE
Hallo liebes Forum,

ein Geschäftspartner versucht vergebens uns eine E-Mail zu schicken.
Es erscheint "451 4.7.5 [internal] tls negotiation failed.

Das Problem tritt aber nur bei diesem Absender auf!?

Hat jemand eventl. das gleiche Problem?

(Das Problem besteht vermutl. seit dem Up2Date 9.210020 !??

Vielen Dank schon mal im voraus.


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