The Cold Email Resource Directory
A curated directory of tools, platforms, and resources for cold email.
A curated directory of tools, platforms, and resources for cold email.
Infrastructure
Warm Inboxes — Pre-warmed email accounts, domains, and infrastructure. SPF Checker — Verify SPF records. DKIM Checker — Verify DKIM configuration. DMARC Checker — Verify DMARC records. Blacklist Checker — Check domain blacklist status. Deliverability Checker — Test inbox placement. Cold Email Volume Calculator — Plan infrastructure needs. Cold Email AI — AI-powered email generation.
Sending platforms
Instantly — Popular cold email sending platform. Smartlead — Advanced features with agency support. Saleshandy — Feature-rich with built-in verification.
Data providers
Apollo.io — Contact and company data with built-in outreach. ZoomInfo — Enterprise-grade B2B data. LinkedIn Sales Navigator — Professional network data. Crunchbase — Funding and company data.
Enrichment
Clay — Multi-source enrichment with AI capabilities. BuiltWith — Technographic data. Clearbit — Company and contact enrichment.
Verification
NeverBounce — Email verification service. ZeroBounce — Email verification with additional data. MillionVerifier — Cost-effective bulk verification.
Automation
Zapier — No-code workflow automation. Make (Integromat) — Advanced workflow automation. n8n — Open-source, self-hosted automation.
CRM
HubSpot — Popular CRM with marketing automation. Salesforce — Enterprise CRM. Pipedrive — Sales-focused CRM.
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