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IPWarmup vs Warmy: Email Platforms Compared (2026)

By the Warmy deliverability team Updated

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real warmup mailboxes
1M+
real warmup mailboxes
US seed accounts
500K+
US seed accounts
per month, billed monthly
$49
per month, billed monthly
human support
24/7
human support

Warmy brings Adeline AI, personalized warm-up, real link clicks, inbox placement testing, verification and reputation monitoring together in one all-in-one deliverability platform.

IPWarmup offers managed email warm-up, dedicated SMTP infrastructure, and a separate pre-warmed SMTP product. Its managed warm-up describes technical audits and vendor-run sending using double-opt-in transactional traffic; fresh SMTP plans are explicitly described as unwarmed.

Key takeaways

IPWarmup vs Warmy at a glance

What IPWarmup does
IPWarmup offers managed email warm-up, dedicated SMTP infrastructure, and a separate pre-warmed SMTP product. Its managed warm-up describes technical audits and vendor-run sending using double-opt-in transactional traffic; fresh SMTP plans are explicitly described as unwarmed.
Best-fit workflow
Operators seeking SMTP servers, dedicated IP/domain setup, or a service provider to execute warm-up rather than only self-service mailbox controls.
IPWarmup pricing
Fresh, explicitly unwarmed SMTP plans are USD $70/month Individual and USD $200/month Pro. Do not treat these as prices for the distinct managed warm-up or pre-warmed products.
Warmy pricing
Plans starting from $49 / month. Seven-day trial, no credit card required.
Key strength
Offers both fresh and pre-warmed infrastructure, with a meaningful published distinction.
Important trade-off
Fresh SMTP prices do not represent warmed infrastructure; the vendor explicitly disclaims initial inbox results.

Good to knowWarmy goes beyond a single email tool: Adeline AI, warm-up, testing, monitoring and verification work together to improve your deliverability.

Warmy vs IPWarmup, Side by Side

Warmy brings ongoing optimization, actionable intelligence and deliverability measurement into one platform. See how that broader coverage compares with the specialist capabilities below.

Primary focus
WarmyAll-in-one, self-serve email deliverability infrastructure
IPWarmupIPWarmup offers managed email warm-up, dedicated SMTP infrastructure, and a separate pre-warmed SMTP product. Its managed warm-up describes technical audits and vendor-run sending using double-opt-in transactional traffic; fresh SMTP plans are explicitly described as unwarmed.
Best-fit audience
WarmyTeams improving and measuring sender reputation across their existing sending stack.
IPWarmupOperators seeking SMTP servers, dedicated IP/domain setup, or a service provider to execute warm-up rather than only self-service mailbox controls.
Managed execution
WarmyWarmy focuses on reputation, placement testing and monitoring; this specialist capability is not presented as an equivalent Warmy feature.
IPWarmupIPWarmup says it configures and manages sending activity rather than asking customers to build warm-up campaigns themselves.
Technical audit
WarmyWarmy focuses on reputation, placement testing and monitoring; this specialist capability is not presented as an equivalent Warmy feature.
IPWarmupEngineers perform a manual technical audit before warm-up.
Traffic method
WarmyWarmy focuses on reputation, placement testing and monitoring; this specialist capability is not presented as an equivalent Warmy feature.
IPWarmupThe managed service describes double-opt-in transactional email traffic as its warm-up mechanism.
Provider scope
WarmyKlaviyo, Mailchimp, HubSpot, SendGrid, ActiveCampaign, Google Workspace, Microsoft 365, and SMTP
IPWarmupThe warm-up page names Google Workspace, Outlook, SES, SendGrid, Mailgun, SparkPost, Zoho, cPanel, and other providers.
Dedicated SMTP
WarmyKlaviyo, Mailchimp, HubSpot, SendGrid, ActiveCampaign, Google Workspace, Microsoft 365, and SMTP
IPWarmupFresh SMTP plans provide dedicated sending infrastructure rather than reused or shared SMTPs.
Authentication
WarmySPF, DKIM, and DMARC tracking, record checks, and DMARC report analysis
IPWarmupFresh SMTP features list SPF, DKIM, DMARC, and reverse DNS configuration.
Encryption
WarmyWarmy focuses on reputation, placement testing and monitoring; this specialist capability is not presented as an equivalent Warmy feature.
IPWarmupThe fresh SMTP service lists outgoing TLS encryption.
Data handling
WarmyWarmy focuses on reputation, placement testing and monitoring; this specialist capability is not presented as an equivalent Warmy feature.
IPWarmupThe vendor advertises automatic log discarding as part of its data-security proposition.
Pre-warmed option
Warmy1M+ real, protected Google Workspace, Microsoft 365, and B2C mailboxes
IPWarmupA distinct pre-warmed SMTP product comes with a dedicated IP and domain already configured.
Compatibility
WarmyWarmy focuses on reputation, placement testing and monitoring; this specialist capability is not presented as an equivalent Warmy feature.
IPWarmupThe pre-warmed page names Instantly, MailWizz, Smartlead, and other compatible marketing applications.
Ongoing engagement
Warmy1M+ real, protected Google Workspace, Microsoft 365, and B2C mailboxes
IPWarmupPre-warmed SMTP activity includes opens, clicks, not-spam actions, and replies.
Connection delivery
WarmyKlaviyo, Mailchimp, HubSpot, SendGrid, ActiveCampaign, Google Workspace, Microsoft 365, and SMTP
IPWarmupSubscribers receive SMTP credentials to configure in a compatible email marketing application or client.
Support
Warmy24/7 human support; dedicated CSM and deliverability consultant on Expert/Platinum
IPWarmupFresh SMTP pricing lists around-the-clock support.
Unwarmed disclaimer
Warmy1M+ real, protected Google Workspace, Microsoft 365, and B2C mailboxes
IPWarmupThe fresh SMTP page explicitly says those servers are unwarmed and disclaims inbox, open-rate, and reputation guarantees.
Pricing and billing
WarmyFrom $49/month, billed monthly
IPWarmupFresh, explicitly unwarmed SMTP plans are USD $70/month Individual and USD $200/month Pro. Do not treat these as prices for the distinct managed warm-up or pre-warmed products. Monthly dedicated SMTP; other services separately scoped
Trial and free access
WarmySeven days, no credit card required
IPWarmupCurrent trial terms unverified.

The detailed analysis

Where Warmy Adds Value Beyond IPWarmup

Operators seeking SMTP servers, dedicated IP/domain setup, or a service provider to execute warm-up rather than only self-service mailbox controls.

01

Managed warm-up work

IPWarmup says it configures and manages sending activity rather than asking customers to build warm-up campaigns themselves. Engineers perform a manual technical audit before warm-up. These are the published managed warm-up work elements relevant to evaluating ipwarmup's role in a deliverability stack. Managed warm-up

The service is framed around delegating execution and an initial technical audit. This can suit senders lacking operational capacity, but it requires a clearer engagement scope than adding an account to a dashboard. Confirm access requirements, audit outputs, and how the customer can supervise activity before handing over sending credentials.

02

A different traffic proposition

The managed service describes double-opt-in transactional email traffic as its warm-up mechanism. The warm-up page names Google Workspace, Outlook, SES, SendGrid, Mailgun, SparkPost, Zoho, cPanel, and other providers. These are the published a different traffic proposition elements relevant to evaluating ipwarmup's role in a deliverability stack. Managed warm-up

The transactional double-opt-in description is more specific than a generic peer-to-peer network claim. However, statements that such messages never bounce or receive complaints are vendor assertions and should not be adopted as assured results. Ask how recipients consent, how traffic is segregated, and what evidence the service exposes.

03

Dedicated infrastructure setup

Fresh SMTP plans provide dedicated sending infrastructure rather than reused or shared SMTPs. Fresh SMTP features list SPF, DKIM, DMARC, and reverse DNS configuration. These are the published dedicated infrastructure setup elements relevant to evaluating ipwarmup's role in a deliverability stack. Fresh SMTP

Fresh SMTP infrastructure provides control over a dedicated server and authentication, not pre-existing sender reputation. That distinction is explicit in the vendor disclaimer. A buyer seeking an already warmed service must select the separate offering rather than assume the lowest fresh-server price covers managed reputation building.

04

Security and operational visibility

The fresh SMTP service lists outgoing TLS encryption. The vendor advertises automatic log discarding as part of its data-security proposition. These are the published security and operational visibility elements relevant to evaluating ipwarmup's role in a deliverability stack. Fresh SMTP

TLS and log-discarding address different concerns: transport protection and retention. Automatic removal of logs can affect troubleshooting requirements, so teams should reconcile the vendor’s security proposition with their own audit and incident-response needs. Retention duration, data residency, and contractual controls remain unverified from these product descriptions.

05

Ready-to-connect SMTP

A distinct pre-warmed SMTP product comes with a dedicated IP and domain already configured. The pre-warmed page names Instantly, MailWizz, Smartlead, and other compatible marketing applications. These are the published ready-to-connect smtp elements relevant to evaluating ipwarmup's role in a deliverability stack. Pre-warmed SMTP

The pre-warmed product is designed to plug into existing sending software using SMTP credentials. Compatibility reduces migration work, but it does not establish a named platform’s endorsement or a guarantee for campaign performance. Verify account limits, domain custody, and actual connection behavior in the intended sequencer.

06

Ongoing activity and credentials

Pre-warmed SMTP activity includes opens, clicks, not-spam actions, and replies. Subscribers receive SMTP credentials to configure in a compatible email marketing application or client. These are the published ongoing activity and credentials elements relevant to evaluating ipwarmup's role in a deliverability stack. Pre-warmed SMTP

Continuing engagement is part of the pre-warmed proposition rather than a one-time configuration task. Teams should clarify which warm-up activity remains vendor-managed after delivery of credentials and how production traffic affects allocated capacity. The published mechanism alone does not establish a safe campaign volume for every list or sending pattern.

The Warmy advantage

One Platform. Your Entire Deliverability Workflow.

From Adeline’s next-step guidance to real engagement and provider-level measurement, Warmy connects the work that separate email tools leave to your team.

Adeline AI deliverability expert

Adeline connects authentication, DNS, inbox placement, blocklists, content, engagement and provider signals into one picture. She builds personalized deliverability plans, detects spam risk and explains what to change next.

AI-powered email warm-up

Personalized timing, volume and pacing, with gradual ramp-up and engagement that includes opens, replies, important markings and moving messages out of spam.

Real link clicks

Warmy’s engagement includes real clicks on your links, alongside opens and other natural mailbox interactions.

1M+ real mailbox network

1M+ real, protected Google Workspace, Microsoft 365, and B2C mailboxes

500,000+ US seed accounts

500,000+ real US seed accounts, desktop and mobile; rotated monthly; speeds up warmup

Inbox placement and automated tests

Included: 5–50 tests/month by tier, with automated testing. Provider-level results distinguish inbox, Promotions and spam, so you can measure progress instead of relying on SMTP acceptance alone.

Reputation and blacklist monitoring

Domain/IP reputation tracking, blacklist alerts, spam-placement reports

SPF, DKIM and DMARC

SPF, DKIM, and DMARC tracking, record checks, and DMARC report analysis

Google Postmaster integration

Direct Google Postmaster integration

Built-in email verification

Check address validity as part of the wider deliverability workflow, alongside reputation work, placement testing and monitoring.

AI content optimization

AI template optimization, custom warm-up topics and templates, and conversations in 30+ languages.

Multiple mailboxes and domains

Multiple mailboxes and domains; 100 to 5,000 warmup emails/day by plan. Auto-archive keeps warm-up conversations out of your working inbox.

Your existing sending stack

Klaviyo, Mailchimp, HubSpot, SendGrid, ActiveCampaign, Google Workspace, Microsoft 365, and SMTP. Self-serve setup in minutes via OAuth or SMTP/IMAP.

API and expert support

Documented API included on every plan. 24/7 human support; dedicated CSM and deliverability consultant on Expert/Platinum.

Allowances and dedicated support vary by plan. Plans starting from $49 / month.

Plans and total cost

Warmy vs IPWarmup Pricing

Warmy and IPWarmup pricing compared
Pricing detailWarmyIPWarmup
Starting price$49/ monthFresh, explicitly unwarmed SMTP plans are USD $70/month Individual and USD $200/month Pro. Do not treat these as prices for the distinct managed warm-up or pre-warmed products.
BillingMonthlyMonthly dedicated SMTP; other services separately scoped
Free trialSeven days, no credit card requiredCurrent trial terms unverified.
Also includedAdeline AI, warm-up, placement tests, monitoring, verification and API access; allowances vary by plan.See the individual features and published plan allowances below.

Plans starting from $49 / month. See Warmy’s five plans

IPWarmup: published plans and allowances

Individual fresh SMTP
USD 70server plan/month · monthly
Advertised capacity up to 75,000/day; unwarmed
Pro fresh SMTP
USD 200server plan/month · monthly
Advertised capacity up to 375,000/day; unwarmed

A mailbox subscription, an address-verification credit, a rendering test and an SMTP sending allowance buy different outcomes. Compare total cost using your own mailbox count, list size, testing frequency and sending volume; do not equate a lower unit price with equivalent coverage.

Social proof

What Senders Are Saying about Warmy

Rated 4.9/5 on G2 and trusted by 35,000+ businesses.

TESTIMONIALS

Loved by senders who live in the inbox

★★★★★5.0
“Warmy has been a game changer for us. The platform pays for itself many times over.”
Darren Prine
Co-founder and CRO, Cloud Tech Gurus
★★★★★5.0
“If you do cold email, Warmy will increase your efficiency, improve your deliverability, and cut your costs.”
Thomas TzouridisThomas Tzouridis
CEO, ActiScale
★★★★★5.0
“I've purchased many marketing tools before. Often, once you buy, you're on your own. With Warmy, they care about you.”
Gábor Majer
Founder, Nord Sales Company

The verdict

Why Choose Warmy for Complete Deliverability

Which tool to choose for each need
If you want…Choose
Everything in one platformWarm-up, placement tests, verification, authentication and reputation monitoring in one connected workflow.Warmy
Adeline AI expertisePersonalized plans, predictive spam-risk detection and clear next steps from your AI deliverability expert.Warmy
Real engagement and seed accountsA 1M+ mailbox network, real link clicks and 500,000+ US seed accounts.Warmy
Expert help and an easy startSelf-serve setup, API access and 24/7 human support; dedicated consultant options on higher tiers.Warmy
Buy fresh dedicated SMTP and commission a separate warm-up plan before production volume.IPWarmup
Connect a pre-warmed server to MailWizz or Smartlead via SMTP credentials.IPWarmup
Delegate pre-warm technical audit and execution for an existing ESP account.IPWarmup

IPWarmup: specialist capabilities

  • Offers both fresh and pre-warmed infrastructure, with a meaningful published distinction.
  • Managed audit and execution address teams that need operational help.
  • Dedicated SMTP credentials connect to existing marketing applications.

Trade-offs to evaluate

  • Fresh SMTP prices do not represent warmed infrastructure; the vendor explicitly disclaims initial inbox results.
  • Absolute no-complaint and reputation claims are unverified vendor assertions.
  • API scope, server ownership, and contractual recovery commitments require confirmation.

A practical evaluation

Using Warmy Alongside IPWarmup

  1. 1

    Define the job for IPWarmup

    Buy fresh dedicated SMTP and commission a separate warm-up plan before production volume. Keep that objective separate from your sender-reputation and placement baseline.

  2. 2

    Establish a placement baseline

    Test a representative message with a consistent provider mix. Record authentication, inbox and spam placement before changing the sending workflow.

  3. 3

    Evaluate IPWarmup against its output

    The service is framed around delegating execution and an initial technical audit. This can suit senders lacking operational capacity, but it requires a clearer engagement scope than adding an account to a dashboard. Confirm access requirements, audit outputs, and how the customer can supervise activity before handing over sending credentials.

  4. 4

    Coordinate complementary work

    Fresh SMTP prices do not represent warmed infrastructure; the vendor explicitly disclaims initial inbox results. Keep specialist tooling where it serves a separate job. Coordinate any overlapping warm-up schedules instead of doubling engagement volume.

  5. 5

    Review before scaling

    Compare provider-level placement alongside specialist results, bounces and complaints. Address validity, rendering previews and SMTP acceptance alone do not prove inbox placement.

FAQ

Warmy vs IPWarmup
FAQs

IPWarmup offers managed email warm-up, dedicated SMTP infrastructure, and a separate pre-warmed SMTP product. Its managed warm-up describes technical audits and vendor-run sending using double-opt-in transactional traffic; fresh SMTP plans are explicitly described as unwarmed. Warmy focuses on sender reputation, inbox-placement testing and authentication monitoring alongside the existing sending stack.

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