On 17 Aug 2021, at 15:35, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: > or (easier, but no idea whether this is effective), use an IMAP client > to move the message into the INBOX of a Gmail account, and then report > it as spam.
When this has happened to me in the past I re-enable the POP import feature on gmail and then make every message as spam in the gmail interface. Once the flood dies down, I turn off the importer again. Seems to have worked as it’s been at least a couple of years since I last needed to do this.