Is this something that could’ve been caused by the recent WordPress update, and if so, is there a known fix for it yet?
I’ve got [email* your-email] in the From field, exactly like the help page says, and it still tells me “Invalid mailbox syntax is used.”
I had the exact same problem. Had to ftp in and remove the plugin folder. Now I need to find a copy of the previous version so I can reinstall it until a new, corrected version is available.
