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ExcellentTrustpilot

Email Protection
Across Every Inbox

Verify inbox placement and monitor campaigns without one flagged IP taking down the whole test. Our rotating proxies check deliverability from real, geo-located addresses so results match what subscribers actually see.

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  • 86M+ IPs
  • 150+ Countries
  • 10Gbps Speed
  • Data Scraping
  • Email Protection
  • Price Comparison
  • SEO Monitoring
  • Stock Market Data
  • Ad Verification
  • Travel Fare Tracking
  • Social Media Management
  • AI Data Collection
READY FOR EMAIL TESTING

Choose Premium ISP Proxies for Reliable Inbox Testing

Test deliverability the way a real subscriber would. Premium ISP Proxies provide static, trusted IP addresses built for inbox placement checks, spam-trap detection, and monitoring across mailbox providers.

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Your Proxy, Your Rules
No Limits Attached

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Need more bandwidth?

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Flexible payment options

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Inbox Testing Built to Catch Problems Early

Monitor deliverability with fast, reliable proxies that reduce false flags and confirm every campaign lands.

Reliable Network

Proxy infrastructure that keeps large-scale deliverability checks running smoothly.

Precise Targeting

Target countries, states, and cities to test inbox placement where subscribers live.

Higher Success Rates

Static IPs reduce blacklist flags, spam-trap hits, and failed deliverability checks.

Multiple Protocols

Connect using HTTP, HTTPS, or SOCKS5 across your preferred testing tools.

Explore what else
your proxies can power

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  • Data Scraping stays fast and reliable with rotating IPs that reduce blocks, rate limits, and failed requests.

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  • Ad Verification checks how campaigns appear and helps catch missing info, fraud, and incorrect targeting.

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  • Price Comparison lets you collect accurate pricing data across regions without triggering restrictions.

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  • Social Media Management keeps accounts separated with sessions and location specific IPs for daily operations.

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  • AI Data Collection gathers large, diverse datasets from the web while rotating IPs to reduce failed requests.

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Discover Top Proxy Locations

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Trusted by teams globally
Proven across every request

ExcellentTrustpilot
  • Proxies.fo made our large-scale scraping jobs noticeably more reliable. The ISP proxies stayed stable across long sessions, and switching between locations was simple for our team.
    Liam CarterAutomation Engineer
  • We started using Proxies.fo for regional data collection and saw fewer connection issues. The residential pool has been consistent, and session rotation works smoothly across our daily workflows.
    Maya BennettData Research Manager
  • The proxy setup was quick, and we were running requests within minutes. Speeds have remained consistent across multiple regions, even during heavier scraping and monitoring workloads.
    Noah MitchellWeb Intelligence Lead
  • Proxies.fo has helped our team access localized results without constant interruptions. The available locations are useful, and sticky sessions remain reliable throughout longer automation tasks.
    Sophie TurnerGrowth Operations Manager
  • Proxies.fo made our large-scale scraping jobs noticeably more reliable. The ISP proxies stayed stable across long sessions, and switching between locations was simple for our team.
    Daniel FosterE-commerce Data Analyst
  • Ad verification used to mean chasing down flagged sessions all week. With rotating mobile IPs, our checks now come back clean and finish in a fraction of the time.
    Olivia BrooksAd Ops Specialist
  • We track fares across dozens of routes every hour. Proxies.fo keeps every request looking like a local shopper, so the prices we collect actually match what travelers see.
    Ethan WalshPricing Analyst
  • Rank tracking across ten countries used to mean constant CAPTCHAs. Since switching, our crawlers barely get flagged, and the data lands on schedule every morning.
    Grace KimSEO Operations Lead
  • Our models need fresh, diverse training data every day. The datacenter pool handles our volume without throttling, and support has been quick whenever we needed to scale up.
    Marcus NguyenML Infrastructure Engineer

Frequently Asked Questions

Contact UsRead all FAQs
What are email protection proxies?

Email protection proxies route deliverability checks through different IP addresses, helping you test inbox placement and spot blacklist or spam-trap issues before a campaign ships.

How do I configure and connect to a US proxy server?

Copy the endpoint from your dashboard in host:port:username:password form and paste it into your browser, anti-detect profile, or automation tool. Most tools accept it as-is over HTTPS or SOCKS5.

Is there a free trial available for US proxies?

Creating an account is free and needs no credit card. To send real traffic through a proxy, start with the Trial Bundle, sized for testing your sites and tools before you commit to a plan.

Where can I purchase residential proxies based in USA?

Right here on Proxies.fo: choose a plan on the pricing page, complete checkout, and your credentials are ready in the dashboard within moments.

What’s the best way to browse with a US IP address?

Point your browser at a proxy endpoint through its proxy settings, an extension, or an anti-detect profile. Every site you visit then sees the proxy's IP instead of your own.