The 2025 edition analyzes nearly one billion email addresses from 23 sectors worldwide, showing a consistent decline in invalid emails and a stronger focus on real-time verification. It reveals how advanced anti-spam mechanisms and tighter compliance policies have improved global deliverability standards.
Read more...Email Lists Quality Reports Archive – Data & Insights
Explore the complete archive of SafetyMails’ Email Lists Quality Reports — a global reference for understanding how email list quality shapes deliverability, engagement, and data integrity. Since 2019, these studies have examined millions of addresses across industries and countries, uncovering patterns that define healthy email ecosystems and the risks that compromise them.
Each report combines large-scale verification data with behavioral analysis from sign-up forms, tracking the evolution of list management practices through technological progress, regulation, and market maturity. Together, they form a living history of email marketing — revealing how attention to data quality became one of the pillars of sustainable digital communication.
Email Lists Quality Report 2025
Email Lists Quality Report 2021 (Brazil)
Our company used to send email marketing only for sending invoices. But there was a need for closer communication with customers beyond these transactional emails.
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Email Lists Quality Report 2021 (Brazil)
This study captures Brazil’s email marketing landscape during the adoption of LGPD and the post-pandemic digital surge. It documents the sector’s adaptation to new privacy norms and the growing adoption of list verification as a trust and compliance measure.
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Email Lists Quality Report 2019 (Brazil)
The first SafetyMails report established a baseline for evaluating email list health before modern regulations. It highlights the initial impact of invalid addresses and bounce rates, marking the start of an ongoing commitment to improving data quality worldwide.
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