Issue with smtp server

Graylog Central (peer support)
1

I community,

I’m testing the send by email but I got this error:

An error occurred while trying to send an email! (triggered 20 minutes ago)

The Graylog server encountered an error while trying to send an email. This is the detailed error message: org.apache.commons.mail.EmailException: Sending the email to the following server failed : smtp.myhost.es:25 (javax.mail.MessagingException: Could not convert socket to TLS; nested exception is: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target)

So my smtp server only need auth and not TLS…I’m confuse about this, could you help me, please?

Thanks in advance

2

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