I did this once. There may be a simple way in Mailman, with the withlist function in (for me) /usr/lib/mailman/bin. But I did not want to risk that, so I just did the simple thing.

./list_members LISTNAME | grep XXXX > tmp1 (or try @XXXX, which may be better) then I edit tmp1 (with emacs, for example, changing @XXXX to @YYYY I save this as tmp2 Then I go to the Membership Management section of the list administration page and enter tmp1 into "Mass removal" and remove them then enter tmp2 into "Mass subscription" and subscribe them. The reason I use the web interface is that I can control who gets notified of what. You can alternatively use the functions add_members and remove_members, but I wasn't sure who they would notify. (Perhaps nobody, which would be ideal.)

To get help files for these functions, just run the function with no arguments, e.g., ./add_members, assuming that your working directory is /usr/lib/mailman/bin

Jon

On 06/13/21 16:24, Bill Healy wrote:

Hi,

First question to this list. Excuse ignorance.

I have about 2000 subscribers in a larger list where the address @XXXX has been changed by a school district to @YYYY.

The @XXXX used to automatically redirect to @YYYY but this is stopping soon.

Is there a way I can globally change the 2000 email addresses from @XXXX to @YYYY?

Best wishes, Bill Healy BSc BA Dip Ed CEO

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On 6/12/21 11:24 PM, Bill Healy wrote:

Is there a way I can globally change the 2000 email addresses from @XXXX to @YYYY?

See the script at https://www.msapiro.net/scripts/change_member_address.py

The method suggested by Jon Baron1 will work but will resubscribe the user's new addresses with default settings.

The method suggested by Juergen Dollinger2 is better but (to me at least) more complex that the above script.

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