def determine_imap_folder(imapServer: imaplib.IMAP4_SSL, searchString: str):
    folders = imapServer.list()[1]
    folderName = None
    for folder in folders:
        folderName = folder.decode("utf-8")
        # print(folderName)
        if searchString in folderName:
            folderName = searchString + folderName.split(searchString)[1]
            break
    return folderName