Warmup Inbox

Following data shows why Warmup Inbox is recommended for listed teams. The Fit Score represents the percentage fit of Warmup Inbox to each company stages, as calculated by the SSIE.

• Solo / Indie

  $0–$2,000 MRR

  83
  • GDPR - baseline compliance certification
  • Free trial available to evaluate before purchasing

• Idea-Stage

  $0

  88
  • Data encryption at rest and in transit
  • Secure development lifecycle practices
  • Self-serve signup from $15/mo, no sales call required
  • Warms sending reputation via real inbox engagement

• Pre-Seed

  $0–$10k MRR

  93
  • Staff security awareness training
  • Automates cold-email sequence management and personalization
  • Engages prospects in their language with language warmup

• Seed

  $10k–$100k MRR

  93
  • Warms dedicated IPs before scaling campaigns
  • Delivers 98% primary inbox placement after warmup

• Series A

  $100k–$500k MRR

  89
  • Role-based access control with admin audit logging
  • Multi-factor authentication
  • Provides 30,000+ real human inboxes across 25+ providers

• Scaleup

  $500k–$2M+ MRR

  86
  • Published uptime SLA and incident response commitments
  • Offers Gmail, Outlook, Amazon SES, Zoho Mail, SendGrid integrations