Warmy vs Amplemarket: Which is better? Amplemarket is a full-stack AI sales platform with built-in deliverability features (warmup, domain health monitoring, spam checking). Warmy.io is a dedicated email warmup and deliverability platform with deeper warmup volume, adaptive AI customization, real-time monitoring, and a comprehensive free tool suite.
Not every email deliverability problem is the same, and neither is every tool that claims to solve it.
Amplemarket is a genuinely strong platform. Sales teams use it to find leads, build multichannel sequences, and run outreach at scale. It also includes a suite of deliverability tools: warmup, spam checking, domain health monitoring. So for a team that needs all of this in one place, that combination is valuable.
But here is the question worth asking: If your primary bottleneck is email deliverability, if your campaigns are hitting spam, your domain reputation is slipping, or your inbox placement has dropped… does a sales platform with deliverability features solve that problem as effectively as a platform built exclusively for that problem?
That is the comparison this guide is designed to answer. Warmy.io and Amplemarket approach email deliverability from fundamentally different starting points. Understanding where those approaches diverge is what will help you decide which one your stack actually needs.
Do you know where your emails are landing? Run a free email deliverability test and discover how much of your emails are landing in the inbox or in spam.
What is Amplemarket?
Amplemarket is an AI-driven sales automation platform built for modern sales teams. Its core product, Duo Copilot, is designed to work alongside sales reps. Amplemarket combines lead discovery, intent signal detection, data enrichment, multichannel outreach, and sequencing automation into a single platform, reducing the number of tools a sales team needs to manage their pipeline.
Amplemarket’s Deliverability Optimization is a cluster of four tools that enable users to monitor domain health, implement email warmup, conduct inbox placement tests, and assess mailbox health.
For a team running high-volume outreach through Amplemarket, these tools handle a meaningful share of the deliverability work automatically. But Amplemarket’s identity is a sales platform first. Its design, roadmap, and default configuration are built around sales efficiency and not deliverability depth.
Key features of Amplemarket
- Sales intelligence: Amplemarket’s AI-powered features help reduce time spent on manual research and message writing. Duo scans the market daily for buying signals, gathers context on each prospect, and generates personalized multichannel sequences. It also includes AI-powered tools for copywriting, reply drafting, and AI voice messages (Duo Voice).
- Lead generation and signals: Amplemarket provides access to a database of 200M+ AI-verified contacts and 20M+ global companies with weekly data updates. It also tracks real-time buying signals including job changes, funding rounds, G2 competitor reviews, website activity, product usage events, and CRM updates surfacing the exact contacts most likely to be in-market at any given moment.
- Multichannel engagement: Outreach sequences span email, LinkedIn, phone, WhatsApp, and iMessage from a single platform. AI builds the first draft of each sequence in seconds, and the Unibox centralizes all incoming and outgoing conversations across channels so reps can manage replies without switching tools.
- Deliverability optimization: Amplemarket’s Deliverability Optimization covers four tools: the Domain Health Center, the Deliverability Booster, Mailbox Recommendation, and the Spam Checker.
A closer look at Amplemarket’s deliverability features
Since we’re comparing Amplemarket’s deliverability capabilities specifically with Warmy, here’s a deeper dive into Amplemarket’s Deliverability Optimization feature:
- Domain Health Center: A monitoring dashboard where users can track all connected mailboxes and domains in one place. This includes authentication setup (SPF, DKIM, DMARC), inbox-to-outbox ratios, open rates, spam list appearance. It surfaces potential issues for teams to act on, but operates as a visibility tool rather than a real-time alerting system.
- Deliverability Booster: Amplemarket’s email warmup automatically starts and replies to email threads using a network of accounts, reaching up to a few hundred messages per day.
- Mailbox Recommendation: Uses weekly automated Inbox Placement Tests to identify which mailboxes are ‘Healthy’ or capable of reaching the inbox and automatically selects them when building outreach sequences.
- Spam Checker: Runs weekly automated tests across all connected mailboxes to assess inbox placement across major email providers.
Limitations of Amplemarket
- Deliverability is a bundled feature, not the core product. The warmup tools, Domain Health Center, and spam checker are all genuinely capable but they are designed to support the platform’s outreach function, not to serve as the deliverability infrastructure for a team where inbox placement is the primary concern.
- Limited warmup volume. Per Amplemarket’s own documentation, daily warmup volume reaches “up to a few hundred individual messages per day.” For agencies or teams managing multiple domains at scale, this ceiling is a meaningful constraint compared to dedicated warmup platforms.
- Limited warmup customization. Warmup logic is largely standardized within Amplemarket. There is no configuration for language, industry topic, provider-specific distribution (Gmail vs. Outlook vs. Yahoo weighting), or the ability to add your own email templates to the warmup process.
- Not purpose-built for agencies or multi-client deliverability operations. Amplemarket is designed around the single-team sales use case. Features like white-label reporting, multi-client workspace management, or agency-level monitoring dashboards are not part of its offering.
- No free diagnostic tools. Amplemarket’s spam checker and domain monitoring exist inside a paid subscription. There are no freely accessible tools for senders who want to audit their authentication setup, test inbox placement, or generate SPF/DMARC records independently.
Pro Tip:
Amplemarket’s Deliverability Optimization tools are most effective when deliverability problems are minor and contained. For teams where deliverability is a persistent problem, a structural issue, or the single biggest bottleneck in outreach performance, the bundled features in a sales platform are rarely enough on their own.
What is Warmy.io?
Warmy.io is an all-in-one AI-powered email warmup and email deliverability platform. It does not prospect leads, run sequences, or manage sales pipelines. It does one job, and it does it really well: Warmy makes sure your emails land in the inbox and stay there.
At the core of Warmy is Adeline, a proprietary AI engine that monitors each mailbox’s real-time reputation signals and manages warmup dynamically. Not by following a fixed schedule, but by adapting to what ISP and inbox provider algorithms are actually responding to at any given moment.
Adeline connects to over 1 million active real mailboxes to run warmup interactions that go beyond passive opens: every email in the network is opened, scrolled, clicked, and replied to. Warmup emails that land in spam or Promotions are manually retrieved and marked as important, a direct credibility signal to ESPs that the sender is legitimate.
Key features of Warmy.io
Adaptive email warmup engine
Adeline is an AI that continuously studies your domain’s signals and adjusts warmup volume, frequency, timing, and engagement models accordingly. Every mailbox Warmy manages gets a warmup strategy tailored to its current standing and target providers. This is not a one-size-fits-all ramp.
AI-powered email warmup at scale
Warmy is capable of sending up to millions of warmup emails per day, which is significantly more than most warmup tools, and far beyond what Amplemarket’s background warmup provides. Warmup interactions include opens, scrolls, link clicks, replies, and spam rescues. Senders can run warmup continuously in the background while focusing on other aspects of their email strategy.
Customizable Warmup Preferences
Warmy users can tailor the warmup process across 30+ languages, multiple industry topics, and even provider-specific distribution. If your campaigns are primarily targeting Gmail users, you can weight warmup interactions toward Gmail. If you are running global campaigns across Outlook and Yahoo, you can distribute accordingly. This means the warmup itself can mirror real conditions.
Email templates for warmup
Warmy allows senders to add their own email content directly to the warmup process and test multiple copy variations before their campaigns launch. When a campaign goes live, the specific subject lines, body copy, and links have already been run through the warmup network and validated with ISPs.
Seed Lists and Warmup With Clicks
Warmy’s Seed Lists consist of genuine, active email addresses from Gmail, Outlook, and Yahoo that generate authentic engagement: emails are opened, scrolled, clicked, and replied to. Emails that land in spam and Promotions are manually retrieved and marked as important. The result is real inbox placement data of where your emails are landing across the primary inbox, Promotions tab, and spam folder, per major provider.
Warmup With Clicks is a fully automated version of this process that runs on top of your standard warmup activity, mirroring real human behavior without requiring manual management of seed lists. Both features have their own performance dashboards, so senders can see click-through trends rising as warmup progresses.
Continuous deliverability monitoring
Warmy monitors domain health, blacklist status, DNS authentication records (SPF, DKIM, DMARC, MX), domain reputation, and Google Postmaster data in real time 24 hours a day, 7 days a week.
If a blacklist incident occurs overnight or a DNS record breaks after a configuration change, Warmy surfaces it immediately. There is no waiting for the next manual test or the next dashboard check.
Inbox placement tests
Warmy’s free email deliverability test gives any sender a comprehensive breakdown of inbox placement across major providers: the percentage of emails landing in Primary, Promotions, and Spam, plus blacklist status and authentication protocol review. For paid users, automatic tests can be set to run weekly for continuous tracking without manual intervention.
Full suite of free tools
None of these require a paid subscription. They are available to any sender who needs them.
- SPF Record Generator: creates correctly formatted SPF records for any sending domain
- DMARC Record Generator: generates DMARC records with the right policy and reporting configuration
- Email Template Checker: scans email content and structure for spam triggers, HTML issues, and authentication gaps
- Email Signature Builder: creates compliant, professional email signatures
- Free Cold Email Sequence Builder: helps structure outreach sequences for better engagement and deliverability outcomes
Workspace Management for agencies and teams
Warmy’s Workspace Management is built for agency owners, multi-brand businesses, and enterprise teams managing email deliverability across multiple clients or departments. Each workspace is fully isolated: no configuration bleed, no shared billing confusion, no access issues across client accounts.
Adeline AI Chat and dedicated deliverability consultant
When deliverability problems arise or a sender needs guidance on how to approach a specific warmup situation, Adeline AI Chat analyzes actual account data and delivers account-specific recommendations. A dedicated deliverability consultant is also available for hands-on expert support. Not generic documentation, but advice grounded in your actual sending setup.
Feature comparison: Warmy vs Amplemarket
| Feature | Warmy.io | Amplemarket |
|---|---|---|
| Primary email approach | Adaptive and personalized per user’s real signals | Automatic ramp-up and network based |
| Dedicated AI for user’s deliverability | ✅ Adeline AI | ❌ (Duo Copilot is a sales AI, not a deliverability AI) |
| Warmup volume | Millions per day | Up to few hundreds per day |
| Network size | >1M+ active mailboxes | Not specified |
| Providers that can be warmed up | Gmail and Google Workspace, MS365, Outlook, Sendgrid, Yahoo, Mailgun, Custom SMTP, Brevo, Zoho, Zoho Pro, AOL Mail, Elastic Email, SendPulse, Mailjet, Amazon SES, GoHighLevel, SMTP.com, ExpertSender | Gmail/Google Workspace, Outlook/Microsoft 365 |
| Warmup with real campaign content | ✅ Email Templates (add own content + test variations during warmup) | ❌ |
| Warmup with clicks | ✅ with own Performance Dashboard | ❌ |
| Free blacklist monitoring | ✅ (included in the email deliverability test) | ❌ |
| API Access | ✅ | ✅ |
| Seed Lists (Gmail, Outlook, Yahoo) | ✅ (users can specify splits) | ❌ |
| Auto-archives warmup emails | ✅ | ✅ (users have to manually set up this option) |
| Reporting | Advanced | Basic |
| Warmup customization | Advanced (distribution per provider, language, topic, temperature, engagement patterns) | ❌ |
| Multiple language options for warmup emails | ✅ | ❌ |
| Topic warmup | ✅ | ❌ |
| Spintax on the user template | ✅ | ❌ |
| Email validation | ✅ | ✅ |
| Scalable for teams | ✅ (+ has a Workspace Management feature) | Up to 10 users on Elite plan |
| Email Deliverability Test with inbox placement data | ✅ | ✅ ( |
| Dedicated Customer Success Manager | ✅ | ❌ |
| Dedicated deliverability expert for every customer | ✅ | ❌ |
| Email Template Checker | ✅ (free version and inside the platform, checks other factors aside from spam trigger words) | ❌ |
| Email Template Checker (free Chrome extension) | ✅ | ❌ |
| Email deliverability A/B testing | ✅ | ❌ |
| SPF Record Generator | ✅ | ❌ |
| DMARC Record Generator | ✅ | ❌ |
| Inbox Academy – free masterclass for email deliverability | ✅ | ❌ |
| Free trial | 7-days | 14-day free trial can be requested |
See the difference for yourself. Run Warmy’s free Email Deliverability Test to know your current inbox placement.
Where the differences actually matter
Warmup approach: Purpose-built engine vs. sales platform add-on
Amplemarket’s warmup requires manual setup, runs at a limited volume, and leaves the ongoing management to the sender. Warmy’s warmup is designed to run the entire process for you, adaptive from day one.
- Amplemarket: email warmup must be enabled per mailbox in Account Settings, and users need to manually configure inbox filters in Gmail or Outlook after setup. Once on, it generates automated email threads through a network of accounts up to a few hundred messages per mailbox per day. For a sales team that wants a background warmup layer without thinking about it, it does the job.
- Warmy: Connect a mailbox — via GWS, MS365, SMTP, or any of 19+ integrations — and Adeline AI takes over from there. No inbox filter setup, no manual toggle per mailbox. Adeline continuously monitors each domain’s real-time reputation signals and adjusts warmup volume, frequency, timing, and engagement patterns accordingly. The warmup is an active process that responds to what is actually happening with your domain.
Warmup customization: standardized vs. configured for your exact situation
Amplemarket’s warmup works the same way for every user. Warmy lets senders shape the warmup around their specific audience, language, content, and campaign targets.
- Amplemarket: Warmup logic is standardized. There is no option to adjust warmup toward specific inbox providers, configure it in a different language, warm up around a particular content topic, or test your own email copy inside the warmup process.
- Warmy: Senders can configure provider-specific distribution (heavier weighting toward Gmail if that is your primary audience, or Outlook and Yahoo if your campaigns target those), warmup in 30+ languages for global sending, and topic customization for industry-specific context. Most importantly, the Email Templates feature lets senders add their own copy, subject lines, and links to the warmup process and test multiple variations simultaneously.
Deliverability monitoring: dashboard visibility vs. continuous real-time alerting
Amplemarket shows you the state of your deliverability when you check. Warmy monitors it continuously and tells you when something changes.
- Amplemarket: The Domain Health Center is a monitoring dashboard tracking authentication setup (SPF, DKIM, DMARC), inbox-to-outbox ratios, open rates, spam test results, and warmup status. The Email Spam Checker runs weekly automated inbox placement tests and classifies mailboxes as ‘Healthy’ or ‘Unhealthy.’ Both are useful for a sales team doing routine check-ins but they operate on a weekly cadence and require the user to look at the dashboard to know something is wrong.
- Warmy: Domain health, blacklist status, DNS authentication validity (SPF, DKIM, DMARC, MX), domain reputation, and Google Postmaster data are monitored in real time, 24/7. If a blacklist incident occurs overnight or a DNS record breaks after a domain transfer, Warmy surfaces it immediately, not at the next weekly test, not when someone manually checks the dashboard. Free SPF and DMARC generators are also available to anyone who needs to fix an authentication record on the spot, without waiting for IT or working through documentation.
Scale and agency management
Amplemarket is built for one team managing one pipeline. Warmy is built for operations managing deliverability across multiple clients or domains at once.
- Amplemarket: The deliverability tools scale alongside the outreach features for a single team’s use case. There is no multi-client workspace structure, no isolated billing per client, and no agency-facing reporting layer.
- Warmy: The Workspace Management feature provides fully isolated environments per client or department. It gives a consolidated view of warmup progress and deliverability health across all workspaces, and white-label reporting lets agencies present deliverability data to clients under their own brand.
Support: Platform Documentation vs. Deliverability-Specific Expertise
Amplemarket supports a sales platform. Warmy supports a deliverability operation.
- Amplemarket: Customer support is available for questions about sequences, lead data, CRM integrations, and multichannel setup which are the core use cases of the platform.
- Warmy: Adeline AI Chat analyzes the actual data in your Warmy account and gives account-specific recommendations, not just generic guidance pulled from a help center. A dedicated deliverability consultant is also available for users who need hands-on support diagnosing inbox placement issues, guiding reputation repair, or optimizing warmup strategy for a specific setup.
The verdict: Warmy for deliverability-first operations
Amplemarket is a strong one for sales teams. If your team needs AI-powered prospecting and multichannel sequencing, Amplemarket is built for exactly that. Its Deliverability Booster tools handle the warmup and monitoring that keeps a sales platform user’s outreach performing at a reasonable level without requiring them to think deeply about deliverability infrastructure.
But Amplemarket is not designed to be a dedicated deliverability platform, and it does not pretend to be. The warmup requires manual activation, caps at a few hundred messages per day, and needs inbox filter setup before it runs cleanly. The monitoring is a weekly snapshot and a health dashboard. The customization is standardized, not configured per mailbox, per provider, or per campaign.
Warmy.io is the stronger choice when email deliverability is the primary problem to solve. Like new domains that need a proper warmup ramp. Or existing domains with declining inbox placement that need adaptive, signal-driven warmup. And even high-volume senders who need warmup at a scale and depth that a sales platform’s bundled feature cannot provide.
The bottom line:
- Amplemarket gives sales teams a deliverability layer as part of a broader platform.
- Warmy built a platform around deliverability. If the inbox is your bottleneck, you want the tool that was built with that as its only job.
Book a free demo with a deliverability expert for a personalized walkthrough of what Warmy can do for your specific sending situation.
