A comprehensive analysis of various expert, marketer, and documentation sources reveals a consensus: Constant Contact does not separate Apple Mail Privacy Protection (MPP) 'machine' opens from genuine user opens. Constant Contact's official documentation confirms this. This lack of separation results in inflated open rates, rendering them unreliable for accurately measuring campaign performance. The industry-wide impact of MPP is acknowledged, with recommendations to shift focus towards alternative engagement metrics, such as click-through rates, website visits, and conversions, and to employ segmenting strategies to better understand audience behavior.