The Operational Cost Difference
Building a viable outbound engine requires sending between 15,000 and 30,000 cold emails per month to yield consistent pipeline. Under modern deliverability guidelines, you cannot send more than 30 emails per inbox per day without triggering spam filters.
That means a team sending 20,000 emails per month requires a fleet of 30 mailboxes spread across 10 secondary domains:
- On Google Workspace: 30 inboxes at $7.20/mo = $216/month ($2,592/year) purely for inbox subscriptions.
- On Mailforge: 30 inboxes at $3.00/mo = $90/month ($1,080/year).
Choosing dedicated outbound infrastructure recovers over $1,500 annually in software overhead that can be redirected toward prospecting databases or lead enrichment.
The Tenant Ban Hazard
Google Workspace is built for collaborative business teams, not outbound sales cadences. If you run 20 outbound accounts inside a standard Google Workspace organization and one account encounters a high bounce rate or aggressive spam flags, Google's automated compliance monitors can lock your entire Workspace tenant.
Mailforge isolates each secondary domain onto standalone mail servers. A deliverability dip on one campaign never bleeds over into other domains or impacts your core operational email.