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Status Assessment
Workspace Domino
Categories Security
Created by Guest
Created on Jul 17, 2018

Domino Inbound SMTP STARTTLS -- Log TLS Version and used Cipher

Most other applications add the TLS Version and used cipher to the received header.

from xyz.acme.local ( by abc.acme.local ( with Acme SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1261.35; Tue, 17 Jul 2018 07:22:15 +0200

It would make sense that Domino adds this to the received header as well!
And maybe into a separate text list indicating the message was transport encrypted

Daniel Nashed  [ ]

  • Attach files
  • Guest
    Jun 27, 2019

    Why only inbound? I would need it Outbound as well

  • Guest
    Sep 26, 2018

    If I understand my customer regarding the requirements by law or regulatory (GDPR), it could be a 1st step to have an indicator that documented that a mail send with "TLS". A customer must prove that TLS (Transport Layer Security) is used for their domains.

  • Guest
    Sep 7, 2018

    Case Number : TS001337027

    Note : Customer Also needs the feature of recording / logging TLS or STARTTLS in Log.nsf if mail was routed via TLS.


Please indicate when email arrives over SMTP via SSL/TLS (field, or something),

When a Domino server is configured to use SMTPs (SMTP over TLS), it can be hard to tell if any particular message was received by Domino using TLS. It would be mightily helpful if the SMTP task would tag such messages with a field (like the ...
about 5 years ago in Domino 1 Assessment