[Mailman-Users] Is it possible to filter what is archived?

[Mike Peachey]

Mark Sapiro wrote:
> Mike Peachey wrote:
> 
>> Mark Sapiro wrote:
>>> The above is a bit too simple. Something like
>>>
>>> def process(mlist, msg, msgdata):
>>>     if mlist.umbrella_list:
>>>         del msg['x-no-archive']
>>>         msg['X-No-Archive'] = 'Yes'
>>>
>>> is probably better to avoid creating multiple X-No-Archive: headers.
>>>
>>> Also, if you insert the handler prior to 'ToArchive', the message (any
>>> message to an umbrella list) will not be archived at all. If you
>>> insert the handler after 'ToArchive' but prior to 'ToOutgoing', the
>>> message will be archived in the archive of the first umbrella list it
>>> hits, but won't be archived in any subsequent lists which is probably
>>> more like what you want.
>>>
>>
>> This is just what I need, thank you!
>>
>> However it seems that the "if mlist.umbrella_list:" statement is 
>> superfluous. On the assumption that the handler is being inserted AFTER 
>> the first archiving, then surely it's safe to assume that no message 
>> should be archived a second time and so ALL messages should get an 
>> X-No-Archive as soon as they've been archived once.
>>
>> Let me know if I'm off base here.
> 
> 
> Sorry for the long delay in replying. I have been away with no online
> access.
> 
> You are correct for what you want to accomplish. I.e. if you only want
> any message to be archived once in the archive of the first list it
> hits, then it is safe to add the X-No-Archive header to all messages
> after ToArchive and before ToOutging. However, there may be other
> cases where one might have a list (e.g. mailman-users at python.org)
> which is not an umbrella list and which has, e.g. a mail-archive.com
> or some other external archive address as a member to provide a
> searchable archive or some other archiving benefit, and in this case,
> one wouldn't want to send the message to the external archiver with an
> X-No-Archive header.
> 

Thanks for the reply. Since all our lists are archived, this is the way 
we're dealing with it and it has been working well so far.
-- 
Kind Regards,

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Mike Peachey, IT
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