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ZapmailvsMailforge

Zapmail vs Mailforge: GWS vs SMTP

We compared Zapmail and Mailforge on pricing, mailbox types, and features. Google Workspace vs SMTP for cold email infrastructure in 2026.

2 min readUpdated Mar 2026

The Verdict

Zapmail offers Google Workspace mailboxes with AI tools and pre-warmed accounts. Mailforge offers SMTP on shared IPs at a lower price. Choose Zapmail for deliverability quality.

Choose Mailforge for budget efficiency. For the best of both, InboxKit offers Google Workspace at $2.50/mailbox with deliverability tools included.

Zapmail vs Mailforge

FeatureZapmailZapmailMailforgeMailforge
Pricing
Price per Mailbox
$3.00-$3.90/mo

Google Workspace with tiered pricing

$2-$3/mo

SMTP shared IP mailboxes

Cost for 100 Mailboxes
$299/mo

Pro plan with 100 mailboxes included

$200-$300/mo

100 x $2-$3

Infrastructure
Mailbox Type
Google Workspace

Exclusively Google Workspace

SMTP only

SMTP on shared IPs

Deliverability
Pre-warmed Accounts
Yes

Accounts come pre-warmed

No

Warmup from external tool needed

AI Tools
AI Domain Generator
Yes

AI suggests spam-safe domain names

No

Manual domain selection

Features
Domain Masking
Not specified

Not mentioned

Yes

SSL and domain masking

Multiple Workspaces
Workspace isolation

Workspace-level isolation per domain

Yes

Multiple workspace support

Bulk DNS Updates
Not specified

Not mentioned

Yes

Automated bulk DNS updates

Scale
Scale Track Record
1M+ mailboxes

1M+ set up, 330K+ domains

10K+ businesses

10,000+ businesses

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Google Workspace vs SMTP

Zapmail provides Google Workspace mailboxes. Mailforge provides SMTP mailboxes on shared IPs. This is the core difference that drives everything else.

Google Workspace mailboxes benefit from the trust Google has built with ISPs. They tend to land in the inbox more consistently, especially for new domains. SMTP mailboxes are cheaper but rely entirely on IP reputation, which is shared with other Mailforge users.

For cold email specifically, Google Workspace is generally the safer choice for deliverability. SMTP is the better choice for cost efficiency at high volume.

Key takeaways

  • Zapmail: Google Workspace with inherent trust signals
  • Mailforge: SMTP on shared IPs, reputation depends on pool
  • Google Workspace is safer for deliverability
  • SMTP is cheaper for high-volume teams

Which One Should You Choose

Choose Zapmail if you want Google Workspace deliverability with AI-assisted setup and pre-warmed accounts. The higher cost per mailbox ($3.00-$3.90) buys better default inbox placement. Choose Mailforge if cost is the priority and you are running a large mailbox operation where $1 per mailbox savings adds up.

Pair with SendKit for warmup and monitoring. For teams that want Google Workspace at a lower price, InboxKit offers it at $2.50/mailbox with built-in deliverability tools.

Key takeaways

  • Zapmail: Google Workspace quality with AI tools
  • Mailforge: cheapest SMTP for high-volume operations
  • InboxKit: Google Workspace at $2.50 with deliverability tools

Pros & Cons

Zapmail

Strengths

  • Google Workspace mailboxes with strong deliverability
  • AI domain generator and mailbox namer
  • Pre-warmed accounts for immediate use
  • 1M+ mailboxes set up, 330K+ domains
  • 4.5 TrustPilot rating

Limitations

  • Higher per-mailbox cost ($3.00-$3.90)
  • Base monthly fees on top of per-mailbox charges
  • Google Workspace only, no SMTP option

Mailforge

Strengths

  • Lower per-mailbox cost at $2-$3/mo
  • SSL and domain masking
  • Bulk DNS updates and domain transferring
  • Salesforge ecosystem with Infraforge upgrade path

Limitations

  • SMTP on shared IPs only
  • No pre-warmed accounts or AI tools
  • No Google Workspace option
  • No built-in deliverability tools
SendKit

Protect your mailbox investment with dedicated IPs, AI warmup, and auto mailbox protection. Increase mailbox longevity.

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frequently asked questions

Got questions? We've got answers.

Zapmail offers better mailbox quality (Google Workspace) with AI tools and pre-warmed accounts. Mailforge is cheaper with SMTP on shared IPs. Choose based on whether you prioritize deliverability (Zapmail) or cost (Mailforge).

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