High-Volume Inbox Email Campaign

I need an email-marketing specialist who can push a single promotional message to at least half a million recipients—ideally closer to one million—while landing in the inbox across major domains (Gmail, Yahoo, Outlook, corporate servers, etc.)... (Budget: £250 - £750 GBP, Jobs: A/B Testing, Bulk Marketing, Digital Marketing, Email Handling, Email Marketing, Internet Marketing, Lead Generation)