[exim] Certificate validation failed

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Author: Dominik Vogt
Date:  
To: exim-users
Subject: [exim] Certificate validation failed
Since the Devuan 3 to 4 upgrade, my Exim 4.94.2 installation has a
problem with TLS certificates.

The local exit is set up to relay outgoing mail that is sent by
user X to server B and all other outgoing mail to server A. Both
servers require TLS for outgoing mail. But exit does not use TLS
for server B and generates this log message:

... TLS session: (certificate verification failed): certificate
invalid: delivering unencrypted to H=<server-b> [<ip-address>]
(not in hosts_require_tls)

How can this be fixed or at least debugged?

Ciao

Dominik ^_^ ^_^

--

Dominik Vogt