Seeing MS Error "SMTP STARTTLS failed, aborting connection: Peer reports it experienced an internal error. (-12188)"
(Doc ID 2166262.1)
Last updated on DECEMBER 05, 2019
Applies to:Oracle Communications Messaging Server - Version 8.0.0 and later
Information in this document applies to any platform.
We have a specific application failing to connect to the MTA.
In mail.log_current we see:
<IP_ADD> SMTP STARTTLS failed, aborting connection: Peer reports it experienced an internal error. (-12188)
On the client side:
"Cannot connect with transport: Cannot connect to SMTP server: HOSTNAME, as: cstation, message: Could not convert socket to TLS, cause: java.lang.RuntimeException: Could not generate DH key pair"
Tried modifying config parameter to:
instance.base.ssladjustciphersuites = +WEAK+DES
but this made no difference.
Upgraded MTA system from version 188.8.131.52 to 184.108.40.206.
Set tlsminversion TLS1.0
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