The document outlines strategies for testing email marketing campaigns during an economic downturn. It recommends developing a testing plan with short, mid, and long-term objectives. Short-term tests could explore offers, products, subject lines, frequency, creative content and personalization. Mid-term tests should build out the customer lifecycle and automate programs. Long-term tests may expand email's integration with other channels and introduce loyalty programs. Testing is presented as a low-cost way to adapt communications, boost revenue and improve ROI during uncertain times.