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What is needed to migrate my Mailman 2 list to your Mailman 3 service?

To migrate a Mailman 2.1 list, we would need each list’s config.pck file (members,settings) and mbox file (archives). Those are typically found in the following locations:

config.pck:
/mailman_install_dir/lists/listname/

listname.mbox:
/mailman_install_dir/archives/private/listname.mbox/

Your current hosting provider can assist with retrieving those files. If you use cPanel to run your Mailman 2 lists, then doing a full cPanel backup will contain the above files.

Mailman 2 Mailman 3 Migration

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