Inaccurate data can have several negative effects on your email marketing campaigns. These include:
Reduced deliverability: Emails sent to invalid addresses can bounce back, affecting your sender reputation. Poor engagement: Sending irrelevant content to the wrong audience can lead to low open and click rates. Increased costs: You might be paying for a larger list than necessary, inflating your marketing expenses. Brand reputation damage: Repeatedly sending emails to uninterested recipients can lead to spam complaints, damaging your brand's reputation.