What are some essential marketing software tools for bulk email campaigns?

Snow IO and Woodpecker Co are powerful marketing software tools for bulk email campaigns. Snow IO offers features like email finder to locate anyone's email online, email verification to ensure deliverability, and email warm-up to test messages before mass sending. Woodpecker Co is excellent for cold email outreach with tracking capabilities that show when recipients click on emails and where messages are delivered. Both platforms offer free accounts to start with, allowing users to test functionality before committing to paid plans.