#168 · Three AI Agency Retainers Anyone Can Deliver (+ Systems)

youtube ↗Cold Email

What is the minimum daily email sending volume per mailbox and overall needed to effectively scale my cold email outreach, and how can I best leverage my current setup of eight mailboxes to reach 500–1,000 emails per day?

You cannot exceed about 30 emails per mailbox per day due to provider limits. To send 500 emails daily, divide 500 by 30, which gives roughly 16–17 mailboxes; you’re already using 18, so you can reach 540 emails per day. Therefore, the minimum per‑mailbox volume is 30 emails, and the overall capacity scales linearly with the number of mailboxes (mailboxes × 30). Your current results—236 emails sent, a ~2.6% reply rate (~six replies) and one meeting—are promising; scaling that volume will yield proportionally more replies and meetings.

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Related answers

youtube ↗Cold Email

Would you implement a 5,000‑email‑per‑month outreach system with five warmed‑up accounts sending 30 emails each?

I’d actually aim higher than 5,000 emails. Five accounts at 30 emails a day give you 150 emails daily, but you have to factor in sequencing. Day 1 you send 150 to step 1; day 2 you send 75 to step 1 and 75 to step 2, and so on. The average per day drops to about 75 emails per step, which is roughly 2.1 K emails a month. I’d double that—sending around 270 emails a day—because the more touches you make, the faster you’ll see results, even if you’re a beginner.

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youtube ↗Offers

How can I offer to scale people's accounts and levels for a price, and how can I optimize Google Workspace to send 2,000 emails per day?

Regarding scaling accounts/levels for a price, you can offer a service that helps clients increase their in‑game accounts or levels and charge for it. As for Google Workspace, it allows 2,000 emails per day, but Instantly recommends only two domains per workspace with three emails each, giving you six emails per workspace account. Multiplying that by 30 accounts yields about 180 emails per day—roughly a tenth of the 2,000 limit, likely set for safety. To reach the full 2,000‑email capacity, you could buy pre‑warmed mailboxes from services like Instantly or Zapmail. These cost more and require purchasing domains, but they handle the warming process, reduce spam risk, and let you start sending higher limits immediately from day one.

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youtube ↗Cold Email

For a beginner doing cold email outreach, how many domains and email addresses per domain should I use, and what's a reasonable daily sending volume?

The creator recommends starting with 9‑12 mailboxes, which works out to roughly 30 emails per mailbox per day (270‑360 total). He suggests using about one domain for every three mailboxes, so 9‑12 mailboxes translates to 3‑4 domains. Domain registration costs around $5‑$10 each, and mailbox costs vary by provider—he mentions a 10% discount for Zapmail with code NYX. These are beginner guidelines from Maker School; you can increase volume if you’re not limited by resources.

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youtube ↗Cold Email

How should I run cold‑email tests? What sending volume should I aim for each week, how many mailboxes do I need, and which metric should I use to judge the results?

For a weekly test of one variable, aim for about 2,000 emails per week – roughly 300 per day. That means you’ll need the capacity to send 600‑900 emails daily, which translates to 20‑30 mailboxes. Test on reply rate rather than positive‑reply rate because you’ll get more data points; positive replies are too rare to be reliable at typical volumes. Ideally you want a reply‑rate multiplier of 2‑3× to feel confident. I usually wait until the end of the week before declaring a winner. The highest‑leverage variables to test are subject line, preview text, and icebreaker – those are the top‑ROI elements you see in Gmail’s layout. Optimising those first gives you the biggest impact.

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