Free email providers vs business domains in your B2B lists
Gmail, Outlook and Yahoo addresses carry no company signal, so B2B teams segment them. When free addresses are legitimate, how the free and role flags route them, and bulk detection.
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Deliverability, explained.
Guides and research on email verification, bounce rates, catch-all domains, disposable addresses, list hygiene and sender reputation. Written by the people who run the engine.
