Warmforge

Key points

• Category: Deliverability & warm-up
• Pricing: Free trial
• Best for: Teams building or repairing sender reputation.
• Reputation-building automation
• Placement and engagement signals
• Works alongside your existing sending platform

What Warmforge is

Warmforge is the email warmup and deliverability monitoring product inside the Salesforge family, alongside the Salesforge outreach sequencer and the Mailforge/Primeforge mailbox infrastructure products. It natively supports Google Workspace and Microsoft 365 mailboxes and assigns each connected mailbox a heat score that signals readiness for live campaigns.

Beyond automated AI-driven warmup, Warmforge includes DNS, MX and blacklist health checks and paid inbox placement testing that reports where emails land across inbox, promotions and spam folders. It is included at no extra cost with unlimited mailbox slots for Salesforge subscribers, while non-Salesforge users buy warmup slots and placement-test credits separately.

It sits in the deliverability & warm-up part of an email stack - build and repair sender reputation before volume ramps. In practice it is the right pick when your priority is: teams building or repairing sender reputation.

What it does well

The capabilities teams rely on most are reputation-building automation, placement and engagement signals, works alongside your existing sending platform. Taken together these cover the day-to-day work in this category, and they are the features worth testing during a trial rather than reading about.

Warmforge's heat score concept gives a simple readiness signal before launching campaigns, and bundling DNS/blacklist health checks with placement testing in one dashboard covers more ground than warmup-only competitors, especially for teams already inside the Salesforge stack where it comes free.

In real use the strongest points people report are focused on sender reputation rather than campaign volume; useful during domain ramp-up.

Key features

• Reputation-building automation
• Placement and engagement signals
• Works alongside your existing sending platform
• Focused on sender reputation rather than campaign volume
• Useful during domain ramp-up

Pricing tiers

Warmforge is a free trial product. Warmforge sells warmup as per-slot pricing starting around $10-12 per mailbox per month billed quarterly, plus separate placement-test subscriptions (roughly $32.50/month for 100 tests, more for higher volume); it is included free with unlimited slots for Salesforge customers.

Pricing pages move often, so confirm the current figures with the vendor before you budget. The number worth modelling is not the licence fee on its own but the cost per delivered email once bounces, suppressed contacts and spam-foldered sends are taken out.

Ideal customer profile

• Best fit: Teams building or repairing sender reputation.
• Where it sits in the stack: Deliverability & warm-up - build and repair sender reputation before volume ramps.
• Budget profile: Free trial - suited to teams comfortable with this commercial model.
• Probably not for you if: warm-up is a slow process - expect weeks, not days would block your team.

What it connects to

Warmforge is commonly wired into Google Workspace, Microsoft 365, Salesforge, Mailforge and Primeforge. Check that the specific objects and events you rely on are covered, not just that a logo appears on the integrations page - shallow connectors are a frequent source of rework.

Where it falls short

No tool in this space is complete on its own. With Warmforge the trade-offs to plan around are warm-up is a slow process - expect weeks, not days; does not fix content or list quality on its own. None of these are reasons to avoid it - they are the gaps another layer of your stack needs to fill.

Warmforge natively supports only Google Workspace and Microsoft 365; IMAP or generic SMTP mailboxes require routing through Mailforge or Primeforge infrastructure, and per-mailbox pricing can add up for larger fleets outside the Salesforge ecosystem. It is also a newer entrant with a shorter track record than more established standalone warmup tools.

A useful test before committing: send a real campaign through your intended setup, then check where it actually lands across Gmail, Outlook, Yahoo and your customers' corporate filters. Tooling that looks identical on a feature list often behaves very differently once reputation and authentication are involved.

The essentials

Category

Deliverability & warm-up

Pricing model

Free trial

Vendor

www.warmforge.ai

G2 rating

Not listed

Best for

Teams building or repairing sender reputation.

Works alongside Warmy

Yes - warm-up, placement, DMARC

How it fits a deliverability stack

Deliverability is decided by four things: the reputation of the sending domain and mailbox, the quality of the list, correct SPF, DKIM and DMARC authentication, and proof of where mail actually lands. Warmforge covers part of that picture. The mistake most teams make is buying four separate products for those four jobs and still having no single place that tells them whether the last campaign reached the inbox.

Warmy runs warm-up, inbox placement testing, email verification and DMARC monitoring as one platform, which is why Warmforge usually sits alongside it rather than against it: it keeps doing what it is good at, while reputation, placement and authentication are handled in one loop.

Warmforge's heat score and placement tests provide a first read on inbox readiness, and pairing that with ongoing independent monitoring like Warmy helps validate deliverability across providers Warmforge doesn't natively cover.