Using untrusted sources can lead to several detrimental outcomes:
Poor Deliverability: Low-quality data can result in high bounce rates, leading email service providers (ESPs) to mark your emails as spam. Legal Issues: Non-compliance with regulations can result in hefty fines and legal actions. Brand Damage: Sending unsolicited or irrelevant emails can tarnish your brand's reputation. Resource Wastage: Investing time and money in poor-quality data can lead to inefficient marketing campaigns.