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Failed to send email via SMTP
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Your help in this issue has been very very useful.
Please suggest me to improve this SMTP issue.
Error Message as below:
Failed to send email titled "Mango test email" to "aji@***.com".
Message: "Mail server connection failed; nested exception is 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. Failed messages: 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"MangoOS version 3.7.11
Java version jdk-8u311-linux-x64 or openjdk-8-jdk
mail server on MS Exchange Server 2016
TLS Crypt port 587
Use authorizationWith my best regards,
Jenny
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Hi!
This issue was solved today.
The Exchange 2016 server opened port 25 with TLS.
Tested mail was sent success.