Inframail vs Proxis
Inframail (SaaS Platform) and Proxis (Web SaaS) both compete in Cold Email Sequences & Mailbox Infra. On pricing, Inframail lists $147/mo (no free plan disclosed), whereas Proxis lists Free plan · $0/seat/mo · Enterprise plan (free plan). Technically, Inframail is rated L3 · Conditional automation with a 3.7/5.0 (Proprietary moat) moat, while Proxis is rated L3 · Conditional automation with a 3.5/5.0 (Proprietary moat) moat. Corporate profile: Inframail (HQ New York, New York, United States) vs. Proxis (founded 2024, HQ San Francisco, California, $500K funding). Fact-checked by Jiacky Lee (Oct 25, 2026) for Inframail and Jagmeet Sine (Oct 16, 2026) for Proxis. At a 5-seat team baseline, Inframail starts at ~$147/mo vs Proxis at Custom quote.
Inframail
Automated cold email mailbox infrastructure platform with one-click DNS configuration, dedicated US IPs, and unlimited inbox scaling.
5-Seat Floor: ~$147/mo ($147/mo) · Autonomy: L3 · Conditional automation · Moat: 3.7/5.0 (Proprietary moat)
Target fit: B2B Marketing & GTM Teams (SaaS Platform)
Proxis
Enterprise AI email agent and internal operations automation platform that handles inbound and outbound inbox workflows to close deals on autopilot.
5-Seat Floor: Custom quote (Free plan · $0/seat/mo · Enterprise plan) · Autonomy: L3 · Conditional automation · Moat: 3.5/5.0 (Proprietary moat)
Target fit: B2B SaaS, Marketing & Growth Teams (Web SaaS)
How Inframail and Proxis differ
- Pricing model: Inframail is subscription, Proxis is freemium.
- Proxis has a free plan; none is recorded for Inframail.
- Published tier ladder: Inframail documents 3 priced tiers (Entry / Starter $147/mo, Agency $387/mo, Unlimited $600/mo); Proxis documents 1 priced tier (Free / Sandbox $0).
- Moat score: Inframail scores 3.7/5.0 vs. Proxis at 3.5/5.0 (Proprietary moat).
- Delivery: Inframail is a SaaS Platform product; Proxis is a Web SaaS product.
- Headquarters: Inframail in New York, New York, United States, Proxis in San Francisco, California.
- Funding stage: Inframail is Bootstrapped; Proxis is Pre-seed.
- Audience: Inframail targets B2B Marketing & GTM Teams; Proxis targets B2B SaaS, Marketing & Growth Teams.
- Ecosystem stack: Inframail connects with Outreach, Google Workspace, LinkedIn, Mailchimp; Proxis connects with Slack, Zapier.
Computed from the fields below. Only editor-verified ratings and vendor-sourced prices are compared.
When to choose Inframail vs Proxis (and when to walk away)
Choose Inframail if
- Target ICP & Stack Fit: You operate as B2B Marketing & GTM Teams requiring a SaaS Platform deployment for Cold Email, with verified ecosystem connectivity for Outreach, Google Workspace, LinkedIn, Mailchimp.
- L3 Architecture & Defensibility: Inframail removes per-mailbox recurring taxes by offering flat-rate unlimited mailbox provisioning on dedicated US IP addresses with automated SPF, DKIM, and DMARC DNS configuration.
- Commercial Model Fit: Your procurement budget aligns with $147/mo.
Walk away from Inframail if
- Walk away if your workflow requires uncapped enterprise volume on the $147/mo entry plan without upgrading tiers.
- Walk away if your workflow cannot tolerate primary operational trade-off: In day-to-day outbound operations, the primary trade-off is that Inframail functions strictly as the underlying mailbox and DNS infrastructure layer rather than a campaign sequencer or prospect database.
- Walk away if functional scope boundary is a deal-breaker for your team: It is not built for composing multi-step email copy, managing CRM deal pipelines, or executing LinkedIn outreach sequences.
Choose Proxis if
- Target ICP & Stack Fit: You operate as B2B SaaS and Marketing & Growth Teams requiring a Web SaaS deployment for Cold Email, with verified ecosystem connectivity for Slack, Zapier.
- L3 Architecture & Defensibility: Deploying distilled, domain-tuned LLM email agents directly inside enterprise inboxes and internal operational workflows automates high-volume deal closing and back-office triage.
- Commercial Model Fit: Your procurement budget aligns with Free plan · $0/seat/mo · Enterprise plan and want a self-serve free tier for zero-cost initial validation.
Walk away from Proxis if
- Walk away if your workflow requires uncapped enterprise volume on the Free plan · $0/seat/mo · Enterprise plan entry plan without upgrading tiers.
- Walk away if your workflow cannot tolerate animated pricing ui transparency friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.
- Walk away if internal tool integration latency is a deal-breaker for your team: Connecting autonomous email agents to legacy on-premise ERPs and custom internal tools in traditional enterprises introduces initial API integration latency compared to cloud-native SaaS connectors.
Side-by-side facts
| Field | Inframail | Proxis |
|---|---|---|
| Subtrack | Cold Email Sequences & Mailbox Infra | Cold Email Sequences & Mailbox Infra |
| Pricing | $147/mo | Free plan · $0/seat/mo · Enterprise plan |
| Pricing model | Subscription | Freemium |
| Published pricing tiers | Entry / Starter ($147/mo) · Agency ($387/mo) · Unlimited ($600/mo) | Free / Sandbox ($0) · Enterprise / Custom (Custom quote) |
| Free access | No free plan disclosed | Free plan |
| Enterprise plan | Not recorded | Yes |
| AI autonomy level | L3 · Conditional automation | L3 · Conditional automation |
| Moat tier & score | 3.7 / 5.0 · Proprietary moat | 3.5 / 5.0 · Proprietary moat |
| Delivery | SaaS Platform | Web SaaS |
| Audience | B2B Marketing & GTM Teams | B2B SaaS, Marketing & Growth Teams |
| Ecosystem integrations | Outreach, Google Workspace, LinkedIn, Mailchimp | Slack, Zapier |
| Funding & backing | Bootstrapped | $500K |
| Founders | — | Jackson Stokes, Liam Collins |
| Company size | 2-10 employees | 2-10 employees |
| Founded | — | 2024 |
| Headquarters | New York, New York, United States | San Francisco, California |
| Fact-checked | Jiacky Lee, Oct 25, 2026 | Jagmeet Sine, Oct 16, 2026 |
Inframail vs Proxis: TCO & constraint stress test
Test how both tools behave under your team size, monthly budget ceiling, CRM ecosystem, and governance guardrails.
Inframail
Low Procurement Risk · Strong Fit- Published Self-Serve Entry Floor: Inframail publishes a transparent entry point ($147/mo) for initial validation before committing.
- Tier Fit for 5-Seat Scale: Agency ($387/mo): (Recommended for up to 1000 mailboxes)
- Primary Operational Bottleneck: Deployment & Governance Considerations: Furthermore, while dedicated private SMTP/IMAP servers save substantial budget compared to retail Google Workspace seats (which typically cost $3 to $600+ per month across large mailbox fleets), private mail servers still require disciplined 14-day inbox warm-up schedules and strict bounce-rate hygiene to maintain primary inbox placement against aggressive enterprise spam filters.
Walk-Away Rule: Walk away if your workflow requires uncapped enterprise volume on the $147/mo entry plan without upgrading tiers.
Negotiation Lever: Validate exact quota thresholds (seats, credits, or API calls) included in Inframail's $147/mo tier before converting from monthly to annual billing.
Proxis
Conditional Fit · Contract & Stack Caveats- Opaque Enterprise Quoting vs. SMB/Mid-Market Budget: Proxis does not disclose a public self-serve floor (Free plan · $0/seat/mo · Enterprise plan). Buyers with a $800/mo cap face high sales-qualification friction.
- Published Self-Serve Entry Floor: Proxis publishes a transparent entry point (Free plan · $0/seat/mo · Enterprise plan) with a free tier for initial validation before committing.
- Primary Operational Bottleneck: Animated Pricing UI Transparency Friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.
Walk-Away Rule: Walk away if your workflow requires uncapped enterprise volume on the Free plan · $0/seat/mo · Enterprise plan entry plan without upgrading tiers.
Negotiation Lever: Validate exact quota thresholds (seats, credits, or API calls) included in Proxis's Free plan · $0/seat/mo · Enterprise plan tier before converting from monthly to annual billing.
Limitations
Inframail
Operational considerations and platform boundaries include: Primary Operational Trade-Off: In day-to-day outbound operations, the primary trade-off is that Inframail functions strictly as the underlying mailbox and DNS infrastructure layer rather than a campaign sequencer or prospect database.Full limitations in the Inframail review
Proxis
Operational limitations and technical trade-offs include: Animated Pricing UI Transparency Friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.Full limitations in the Proxis review
Official vendor architectural differentiators & migration proof
To help buyers evaluate real-world switching costs, verified founders, solutions architects, and PMMs at both Inframail and Proxis can submit up to 3 evidence-backed architectural differentiators or verified customer migration case studies.
Why teams choose Inframail over Proxis
Work at Inframail? Verify your official domain email to publish 3 technical differentiators, migration benchmarks, or a head-to-head buyer sandbox offer on this comparison page:
+ Submit Inframail Official Differentiators & Case Study →Why teams choose Proxis over Inframail
Work at Proxis? Verify your official domain email to publish 3 technical differentiators, migration benchmarks, or a head-to-head buyer sandbox offer on this comparison page:
+ Submit Proxis Official Differentiators & Case Study →Pricing notes & tier schedules
Inframail: $147/mo
Inframail uses a flat-rate monthly subscription model that eliminates per-inbox fees (saving teams thousands compared to paying $3 per mailbox or $600/month on traditional reseller fleets for 50,000+ monthly email sends).
- Entry / Starter ($147/mo, 1–2 seats): Verified $147/mo tier from vendor pricing schedule.
- Agency ($387/mo, 5 seats): (Recommended for up to 1000 mailboxes)
- Unlimited ($600/mo, 15 seats): GOOGLE WORKSPACE
- Annual Billing Headline vs. Monthly Premium: Headline entry rates reflect annual billing commitments (Save 30%); month-to-month flexibility carries a higher effective monthly rate or requires annual prepayment.
- Profile / Workspace Quota Ceilings: Base tiers cap the number of connected profiles, workspaces, or contact records, forcing tier upgrades before seat limits are reached.
Proxis: Free plan · $0/seat/mo · Enterprise plan
Proxis structures its commercial model around Monthly and Yearly (20% discount) per-seat tiers across Growth (for early-stage teams), Scale (for fast-moving startups, starting free at $0/seat to begin building), and Enterprise (supporting up to 5 or more active agents with custom security and sales scoping).
- Free / Sandbox ($0, 1–2 seats (Evaluation)): Entry free tier with capped usage or feature quotas for initial workflow testing.
- Enterprise / Custom (Custom quote, 15–50+ seats (Enterprise SLA)): Sales-negotiated annual contract for custom volume, SSO/RBAC governance, and dedicated SLA.
- Per-Seat Linear Scaling: Proxis prices licenses on a per-user/seat basis (Free plan · $0/seat/mo · Enterprise plan); expanding from 2 to 15+ operators multiplies base recurring spend linearly.
- Annual Billing Headline vs. Monthly Premium: Headline entry rates reflect annual billing commitments (Save 20%); month-to-month flexibility carries a higher effective monthly rate or requires annual prepayment.
Frequently asked questions: Inframail vs Proxis
How does Inframail pricing compare to Proxis in 2026?
Inframail is listed at $147/mo (subscription, no free plan disclosed), whereas Proxis is listed at Free plan · $0/seat/mo · Enterprise plan (freemium, free plan).
How do Inframail and Proxis compare on AI autonomy and moat depth?
On the MarTechRadar L1–L5 scale, Inframail is rated L3 · Conditional automation with a Proprietary moat moat (3.7/5.0), while Proxis is rated L3 · Conditional automation with a Proprietary moat moat (3.5/5.0).
Which teams are Inframail and Proxis built for?
Inframail is a SaaS Platform product in Cold Email Sequences & Mailbox Infra designed for B2B Marketing & GTM Teams. Proxis is a Web SaaS product in Cold Email Sequences & Mailbox Infra designed for B2B SaaS, Marketing & Growth Teams.
What are the main limitations of Inframail vs Proxis?
For Inframail: Operational considerations and platform boundaries include: Primary Operational Trade-Off: In day-to-day outbound operations, the primary trade-off is that Inframail functions strictly as the underlying mailbox and DNS infrastructure layer rather than a campaign sequencer or prospect database. For Proxis: Operational limitations and technical trade-offs include: Animated Pricing UI Transparency Friction: On Proxis's public pricing page, per-seat dollar figures render as animated rolling digit counters (0 through 9), creating a pricing transparency bottleneck that requires prospective buyers to initiate onboarding or contact sales for exact seat rates.
What are the hidden TCO drivers and contract negotiation levers for Inframail vs Proxis?
For Inframail: Annual Billing Headline vs. Monthly Premium (Headline entry rates reflect annual billing commitments (Save 30%); month-to-month flexibility carries a higher effective monthly rate or requires annual prepayment.) Negotiation lever: Validate exact quota thresholds (seats, credits, or API calls) included in Inframail's $147/mo tier before converting from monthly to annual billing. For Proxis: Per-Seat Linear Scaling (Proxis prices licenses on a per-user/seat basis (Free plan · $0/seat/mo · Enterprise plan); expanding from 2 to 15+ operators multiplies base recurring spend linearly.) Negotiation lever: Validate exact quota thresholds (seats, credits, or API calls) included in Proxis's Free plan · $0/seat/mo · Enterprise plan tier before converting from monthly to annual billing.
Excerpts are quoted verbatim from each fact-checked review. Last updated Oct 25, 2026.