Mass blacklist users in a list

I have a list with bounced users. I want to mark them all blacklisted, so at next import I would not have them confirmed and subscribed. Can not find that in the phplist interface.

There is no option to blacklist users at import too (I’ve read about a trick with export and import as blacklisted but that needs external coding).

How to mass blacklist all user in a list?

@leo2 You can use the Subscribers plugin but with two steps.
First export subscribers of that list, then use the plugin’s page Subscriber Commands to blacklist those by copying/pasting the set of email addresses.

You can find the plugin through the “find plugins” link on the Manage Plugins page.

Thank you @duncanc, that worked!