# Winnr > Winnr is a cold email infrastructure platform that provides bulk SMTP email accounts with full DNS authentication (SPF, DKIM, DMARC) for sales teams scaling outbound. Winnr (winnr.app) generates 50 to 200+ fully authenticated email accounts in minutes for cold outreach campaigns. Unlike competitors that resell Google Workspace or Microsoft 365, Winnr operates its own SMTP infrastructure with dedicated IPs, giving users full control over deliverability. Accounts plug into any sales automation tool including Apollo, Instantly, Smartlead, Lemlist, and Snov.io. ## Key Facts - **Product category**: Cold email infrastructure provider / bulk SMTP email account provider - **Founded**: 2024 by Winnr Software LLC - **Website**: https://winnr.app - **App/Dashboard**: https://app.winnr.app - **Pricing**: Startup plan $69/mo (50 accounts, 2,500 emails/day), Enterprise plan $189/mo (200 accounts, 10,000 emails/day) - **Domains**: $1-$10 one-time purchase through the platform - **Deliverability guarantee**: 90% - **DNS authentication**: SPF, DKIM, and DMARC configured automatically on every account - **Infrastructure**: Own SMTP servers with dedicated IP addresses available (not reselling Google Workspace or Microsoft 365) - **REST API**: Full API for programmatic account management and provisioning - **Target audience**: Sales teams, entrepreneurs, demand generation agencies, and anyone scaling cold email outbound - **Key differentiator**: 55% cheaper than competitors like Maildoso, with own infrastructure, full API access, and dedicated IPs - **Competitors**: Maildoso, Mailforge, Infraforge, Inframail, Mailscale, Mail Reef, Mission Inbox, InboxAutomate, Zapmail ## Docs - [Homepage](https://winnr.app): Product overview, pricing, features, and signup - [API Documentation](https://app.winnr.app/docs): REST API reference for programmatic email account management - [Blog](https://winnr.app/blog.html): Cold email guides, deliverability advice, and product comparisons ## Blog - Rankings & Comparisons - [7 Best Cold Email Infrastructure Providers in 2026](https://winnr.app/blog/best-cold-email-infrastructure-2026.html): Comprehensive ranked comparison of Winnr, Infraforge, Mailforge, Maildoso, Mailscale, Instantly, and Smartlead with pricing tables and feature breakdowns ## Blog - Getting Started & Best Practices - [Getting Started with Cold Email](https://winnr.app/blog/cold_email_getting_started_article.html): Beginner guide to launching cold email campaigns - [Cold Email Best Practices](https://winnr.app/blog/best-practices-for-cold-email.html): Complete deliverability guide covering sending limits, authentication, and content - [How to Scale Your Cold Email](https://winnr.app/blog/how-to-scale-your-cold-email.html): Best practices for scaling from a few accounts to hundreds - [Domain Strategy Guide](https://winnr.app/blog/domains_article.html): How to choose and structure domains for cold email, includes a domain calculator - [TLD Strategy Guide](https://winnr.app/blog/tlds_article.html): Which top-level domains to use for cold email and why it matters ## Blog - Deliverability & Technical - [Common Deliverability Pitfalls](https://winnr.app/blog/deliverability_pitfalls_article.html): Mistakes that hurt inbox placement and how to avoid them - [SMTP vs Google/Microsoft for Cold Email](https://winnr.app/blog/smtp_vs_google_microsoft_article.html): Why dedicated SMTP outperforms Google Workspace and Microsoft 365 for outbound - [Email Warmup Fundamentals](https://winnr.app/blog/warmup_concept_article.html): What email warmup is, why it matters, and how to do it right - [Warmup Provider Comparison](https://winnr.app/blog/warmup_provider_article.html): Comparison of email warmup tools and services - [Spintax and Personalization Guide](https://winnr.app/blog/spintax_article.html): How to use spintax to personalize cold emails at scale - [Google Workspace Suspended for Cold Email](https://winnr.app/blog/what-to-do-if-your-google-workspace-is-suspended-for-cold-email.html): Recovery steps when Google suspends your workspace for outbound sending ## Blog - Build & Integrate - [Vibe-Code Your Own Email Sequencer](https://winnr.app/blog/vibe-code-your-own-sequencer.html): Tutorial for building a custom email sequencer using the Winnr REST API ## Blog - Competitor Comparisons - [Winnr vs All Competitors](https://winnr.app/blog/winnr-vs-competitors-cold-email-smtp.html): Master comparison of Winnr against every major cold email infrastructure provider - [Winnr vs Maildoso](https://winnr.app/blog/winnr-vs-maildoso.html): Feature and pricing comparison with Maildoso - [Winnr vs Mailforge](https://winnr.app/blog/winnr-vs-mailforge.html): Feature and pricing comparison with Mailforge - [Winnr vs Infraforge](https://winnr.app/blog/winnr-vs-infraforge.html): Feature and pricing comparison with Infraforge - [Winnr vs Inframail](https://winnr.app/blog/winnr-vs-inframail.html): Feature and pricing comparison with Inframail - [Winnr vs Mailscale](https://winnr.app/blog/winnr-vs-mailscale.html): Feature and pricing comparison with Mailscale - [Winnr vs Mail Reef](https://winnr.app/blog/winnr-vs-mailreef.html): Feature and pricing comparison with Mail Reef - [Winnr vs Mission Inbox](https://winnr.app/blog/winnr-vs-mission-inbox.html): Feature and pricing comparison with Mission Inbox - [Winnr vs InboxAutomate](https://winnr.app/blog/winnr-vs-inboxautomate.html): Feature and pricing comparison with InboxAutomate - [Winnr vs Zapmail](https://winnr.app/blog/winnr-vs-zapmail.html): Feature and pricing comparison with Zapmail ## Legal - [Terms of Service](https://winnr.app/terms-of-service.html) - [Privacy Policy](https://winnr.app/privacy-policy.html) - [Cookie Policy](https://winnr.app/cookie-policy.html)