Trusted by high-volume senders at
Don't just send emails.
Land them in the inbox.
Stop guessing why your open rates are dropping. MailFoxy provides the infrastructure and intelligence to keep your domain healthy.
Adaptive Warmup Engine
Fully configurable ramp-up schedules. Set your own duration (15–60 days) and volume limits. Our engine automates the daily increase while holding back if reputation drops.
Learn moreCircuit Breaker Protection
Automatic kill-switch for your campaigns. If bounce rates spike or spam complaints surge, we pause sending immediately to prevent permanent domain blacklisting.
Learn moreDedicated Infrastructure
No noisy neighbors. Every domain gets its own dedicated Redis queue and BullMQ worker. High-throughput performance with zero IP reputation cross-contamination.
Learn moreAI Send Windows
Stop blasting emails at 9 AM. Our machine learning model analyzes historical engagement data to deliver emails exactly when each specific subscriber is most likely to open.
Learn morePre-flight Spam Detection
Test against 50+ spam filters before hitting send. Get a concrete 0–100 score and specific fix recommendations for your subject lines, HTML structure, and trigger words.
Learn moreReal-time Deliverability
Track deliverability, not just delivery. Monitor live inbox placement, bounce classifications, and domain health scores across all major ISPs in real-time.
Learn more
Warmup your domain
without lifting a finger.
Forget manual sending. Our 15-day ramp-up schedule automatically increases volume based on real-time engagement data, establishing a pristine sender reputation with Gmail and Outlook.
- 15-Day Adaptive Schedule (Foundation → Scaling)
- AI-Generated Human-like Conversations
- Automatic Spam Folder Rescue
- Real-time Reputation Monitoring
The Circuit Breaker
that saves your domain.
Sending to a bad list can burn a domain in minutes. Our Circuit Breaker monitors bounce rates and spam complaints in real-time, automatically pausing campaigns before damage becomes permanent.
- Auto-Pause on >3% Bounce Rate
- Spam Trap Detection Engine
- Blacklist Monitoring (Spamhaus, Sorbs)
- Self-Healing Queue System
Emergency Stop Triggered
Bounce rate exceeded threshold (4.2%). Campaign paused.
Trusted by high-volume
senders worldwide.
See how top marketing teams are achieving 99% inbox placement.
"Our open rates jumped from 12% to 45% within two weeks of using MailFoxy's Smart Warmup. The Circuit Breaker saved us from a major blacklist incident last month."
Alex Rivera
Head of Growth, SaaSify
"I've used SendGrid and Mailgun, but the dedicated queue system here is unmatched. No more noisy neighbors affecting our reputation. Absolutely brilliant engineering."
Sarah Jenkins
Email Marketing Lead, TechFlow
"The API is developer-friendly and the real-time analytics are actually real-time. We can see bounce classifications instantly and adjust our lists on the fly."
Marcus Chen
CTO, DataStream
Pay for usage, not seat counts.
Start with a 14-day free trial. No credit card required.
Starter
Essential warmup for new domains.
- 50,000 Emails / month
- Unlimited Contacts
- Automated Domain Warmup
- Basic Analytics
- Shared IP Pool (High Reputation)
- Email Support
14-day trial • No credit card required
Growth
For businesses scaling their outreach.
- 250,000 Emails / month
- Circuit Breaker Protection
- AI Send Time Optimization
- Advanced Deliverability Reporting
- Dedicated Queue Worker
- Priority Live Chat Support
14-day trial • No credit card required
Scale
High volume & dedicated infrastructure.
- 1,000,000+ Emails / month
- Dedicated IP Address
- Sub-account Management
- Custom Whitelabeling
- Dedicated Success Manager
- SLA 99.9% Uptime
14-day trial • No credit card required
Ready to fix your
Domain Reputation?
Don't let your emails go to spam. Join 5,000+ marketers using MailFoxy to automate warmup and protect their sender score.
Start your 14-day free trial
Full access to Circuit Breaker & Warmup
No credit card required. Cancel anytime.