You do not need a complicated 50-domain setup to start landing paying clients for your automations. Simple infrastructure works best. Here is the lean outbound stack I used to book client conversations: Point 1: Clean sending domains. I purchased two secondary domains and connected Google Workspace mailboxes with full SPF, DKIM 2048-bit keys, and custom DMARC records to keep domain reputation isolated and healthy. Point 2: Zero tracking pixels. I turned open tracking completely off so corporate spam filters never flag hidden HTML tracking code. Point 3: Signal-targeted volume. I sent 25 plain text emails a day offering missed call text-back to trade companies running Google Ads. Sending 25 relevant emails to businesses with real phone leaks beat blasting 500 untargeted leads every single time. I wrote down my exact mailbox setup checklist and DNS settings inside a Notion doc. Drop a reply below if you want the link to set up your own clean mailboxes.