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Best practices

Deliverability guides and product notes — no filler.

An agency dashboard showing separate client workspaces side by side, each with its own list and credit balance, and credits moving from one workspace to another
Best practicesJuly 23, 2026

Email verification for agencies: a practical guide

Email verification for agencies: give each client an isolated workspace, run bulk verification for multiple clients, and clean lists at onboarding.

An email list file traveling from an EU map marker toward a data center inside the EEA boundary, with a US-bound arrow crossing a dashed transfer-mechanism checkpoint
Best practicesJuly 22, 2026

GDPR email verification: data residency for EU senders

GDPR email verification for EU senders: why an email address is personal data, and how EU data residency avoids international-transfer questions.