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Scaling a cold email system isn't "set it and forget it." It requires ongoing care and specific roles.
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Scaling effectively requires dedicated roles. One person shouldn't handle everything.
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Before scaling, clearly define your goals and calculate the resources required.
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Use the formula to determine how many mailboxes and domains you'll need:
Emails needed per day ÷ emails per mailbox per day = required mailboxes
Mailboxes ÷ mailboxes per domain = required domains
Example:
Metric | Calculation | Result |
---|---|---|
Total emails needed per day | 200 × 50 | 10,000 |
Required mailboxes | 10,000 ÷ 25 | 400 |
Required domains (4/mailbox) | 400 ÷ 4 | 100 |
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Calculate your key metric (emails per call) first, then scale accordingly.
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| Metric | Your Input |
| --------------------------- | ---------- |
| Emails per call (J number) | 500 |
| Desired calls per day | 10 |
| Emails per mailbox per day | 50 |
**➡️ Results:**
- Emails/day: **5,000**
- Mailboxes needed: **100**
- Domains required: **25**
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Effective scaling depends on accurate measurement and tracking.
yourdomain.com/bookcall?utm_source=INST
Parameter | Example Use |
---|---|
utm_source | cold email / INST |
utm_medium | |
utm_campaign | specific campaign identifier |
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Always use at least one UTM parameter to attribute leads clearly.
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