Campaign integrity is vital for several reasons. Firstly, it helps in building trust with your audience. When recipients know that your emails are genuine and not misleading, they are more likely to engage with your content and offers. Secondly, maintaining integrity helps in avoiding legal issues. Regulations like the CAN-SPAM Act and GDPR have stringent requirements for email marketing, and non-compliance can result in hefty fines. Lastly, it enhances your brand reputation. Consistent, high-integrity campaigns foster positive perceptions and customer loyalty.