[Mailman-Users] Moving and renaming a list

Oliver Hookins oliver.hookins at anchor.com.au
Fri Sep 12 01:53:18 CEST 2008

On Thu Sep 11, 2008 at 18:24:59 -0500, Brad Knowles wrote:
> Oliver Hookins wrote:
>> I've got a list which is on a machine that will be decommissioned soon. I
>> have to move it to another machine, but that destination machine already
>> has a list with the same name. I'm guessing I will have to rename the list
>> no matter what, but I can still have the same email addresses pointing to it
>> right?
> You'll have to rename the list, but once it's renamed, the senders should 
> be able to use whatever addresses they want to send to the list.
> But maybe I misunderstood the question?

No, that was it exactly. Thanks.

>> The other unfortunate aspect of this situation is that the source machine
>> has Mailman 2.1.5, and the destination has 2.0.9. Is this likely to cause
>> big problems?
> Yeah, I don't think that's going to work so well -- the binary on-disk  
> representation of the list configuration changed between 2.0.x and 2.1.x, 
> and while Mailman makes it easy to upgrade, there are no downgrade tools 
> I know of.  Certainly, you won't be able to move the list configuration 
> pickle files.
> You can dump the list of users to a text file and then re-import that on 
> the older server, but it's going to be hard to capture all the other 
> aspects of the list configuration.

It's not such a big list that I can't do some of the migration by hand,
maybe I can unpickle the data, alter it a bit and repickle it in the new


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