[Question] Remove These Headers and Outlook conversation view

Mark Sapiro mark at msapiro.net
Thu Feb 15 17:21:38 UTC 2018

On 02/15/2018 03:45 AM, Shawn Iverson wrote:
> The problem you are having is expected.  When MailWatch releases from
> quarantine using sendmail, it is literally feeding the entire message +
> header as-is into the MTA queue.  The MTA isn't going to generate a new
> message id.  It is not being reconstructed when released in this fashion.

Correct. The quarantined message is the original before MailScanner made
any modifications.

But even if this were not the case and the MTA did generate a new
Message-ID:, threading (i.e., conversation view) in the recipient's
client will still be broken because other messages in the conversation
from people who did not receive the message in this way will reference
the original Message-ID:.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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