
EmailOversight
emailoversight.com
Validates and assesses email addresses, removes undeliverable or risky contacts, and appends missing details (name, address, gender) via a real-time API for marketing and CRM lists.

lemwarm
lemwarm.com
lemwarm gradually warms up email accounts by exchanging automated, natural-looking emails with a network of real users to improve deliverability and reduce the chance messages go to spam.

inwise
inwise.com
inwise is a marketing cloud that lets businesses create, send and automate email, SMS and WhatsApp campaigns, build forms and landing pages, segment contacts and track campaign analytics.
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