Support Email Handle Setup

I need a dedicated email handle configured exclusively for customer support traffic. The address must be created on my domain, fully authenticated (SPF, DKIM, DMARC) and tested so every inbound message lands safely in-box rather than spam... (Budget: ₹100 - ₹400 INR, Jobs: Customer Support, Email Handling, Email Marketing, IMAP, Linux, PHP, SMTP, VoIP)