kazy111/Roundcube-Plugin-Mark-as-Junk-2
Adds a new button to the mailbox toolbar to mark the selected messages as Junk/Not Junk, optionally detaching original messages from spam reports if the message is not junk and learning junk/not junk using various methods (salearn, etc.). Switch to the Tags view below to ensure you have the right version for your version of Roundcube.