Bob Proulx grabbed a keyboard and wrote:
> David Guntner wrote:
>> Brian grabbed a keyboard and wrote:
>>>> Would it be possible to also pipe outgoing mail through procmail or
>>>> similar, on its way to the MTA/SMTP server?
>>> ...
>>> There is a Debian package of proxsmtp. This program can proxy mail to a
>>> local or remote MTA. More to the point, it can run a script which can
>>> process the mail before passing it on. This one, for example:
>>> ...
>>> MID="$(date +"%Y%m%d%H%M%S"NoCcsPlease@example.com)
>>> TO="$(formail -zx"To":)
>>>
>>> if [ "$TO" = "something which identifies debian-user" ] ; then
>>> formail -I "Message-ID: ${MID}"
>>> fi
>>>
>>> There we are! A Message-ID generator which can be used with MUAs other
>>> than Mutti to mark list mails. Thank you very much for the nudge.
>>
>> Question: Doesn't doing that mess things up for others, should you
>> reply to said message? The In-Reply-To: field when you send your reply
>> is going to now reference the new Message-ID you just put in, and for
>> those who use readers with threading, won't that break the thread (since
>> they won't have any messages which are using your new locally-stored
>> Message-ID)?
>
> This sets a specific Message-Id on outgoing mails only. This isn't
> changing any message that has been replied to. These are *new*
> messages which will be seen for the first time. This is the same as
> any new message posted to the mailing list. Just setting the
> message-id to that pattern conditionally. It either gets the
> NoCcsPlease (or similar) string or it gets the string that the MTA
> assigns to it normally. Either way it is a new message and a new
> message id will be assigned to it.
Ok, thanks. It was just that it looked like a recipe for a message
that's coming *in* to your mailbox and having the ID changed. Thanks
for the clarification.
--Dave
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