Sendfinch — Send Email via SMTP, Resend, SendGrid & Mailgun

Cold Email Sequencer — SMTP, SendGrid & Mailgun

ryanclinton/outreach-sequencer

Send personalized cold email sequences via SMTP, SendGrid, or Mailgun. Automated day-3 and day-7 follow-ups. Sequence state persisted in KV Store across runs. CAN-SPAM compliant. $0.05/email.

Bulk Email Deliverability Checker — MX, SPF, DKIM, DMARC & BIMI

logiover/bulk-email-deliverability-checker

Check email deliverability for thousands of domains in bulk. Verifies MX records, parses SPF policies, discovers DKIM selectors, parses DMARC tags and checks BIMI. Returns a detailed deliverability score per domain. No API key — ideal for cold email campaigns and email marketing audits.

Email Deliverability Checker: MX, SPF, DMARC & Disposable

accountable_eel/email-deliverability-check

Email deliverability checker for a bulk list of addresses: MX mail route, SPF, DMARC and DKIM presence, disposable email detection, role-address flags and provider fingerprinting. Check before cold outreach, from n8n, Clay or Sheets. No SMTP handshake. Pay only for addresses with a mail route.

MX Lookup — Email DNS, SPF, DKIM & DMARC

junipr/mx-lookup

Check MX, SPF, DKIM, DMARC, TXT, CAA, and email DNS records in bulk with validation findings and deliverability diagnostics.

Google Maps Lead Extractor with Website Email Enrichment

ryanclinton/google-maps-email-extractor

Extract emails from Google Maps businesses. Searches by keyword + location, scrapes each business website for emails, phones, and social links. Classifies personal vs generic emails. Batch queries, deduplication, sorted by data richness. $0.15/business, no subscription.

Scout — Lead Enrichment + OSINT

logical_vivacity/scout

Email finder + lead enrichment + OSINT from public sources. Pass any fragment — name, email, or domain — get a verified dossier: 700+ identity sites, SMTP-validated emails, document mining, sanctions screen, domain→team discovery. $0.05 person, $0.15 domain. No API keys

Company Data Enrichment by Domain: A Clearbit Alternative

accountable_eel/company-domain-enrichment

Enrich a list of company domains with firmographic data from each website domain: RDAP registration, DNS and email provider, tech stack, Shopify, TLS history, ATS hiring signal, email route and email finder. A Clearbit alternative for company enrichment to Google Sheets or Clay, billed per hit.

Influencer Discovery - Find Influencers Across Social Platforms

alizarin_refrigerator-owner/influencer-discovery---find-influencers-across-social-platforms

Discover influencers across Instagram, TikTok, LinkedIn, YouTube, and Twitter by niche, hashtags, engagement rate, and follower count. Perfect for influencer marketing campaigns and brand partnerships. Multi-Platform Discovery Niche Targeting Engagement Analysis Tier Filtering Contact Extraction

Bulk SMTP Email Verifier — Mailbox & Catch-All Checker

automation-lab/smtp-email-verifier

Deep-verify lead emails with SMTP RCPT checks before campaign upload. Classify valid, invalid, catch-all, disposable, unknown, and risky mailboxes; no email is sent and no third-party verification API is required.

Email List & Sender Domain Deliverability Auditor

parviz_a/my-actor-1

Ensure email deliverability and clean contact lists. Audits email address syntax, MX records, disposable/role domains, and evaluates sender SPF, DKIM, and DMARC authentication policies with deliverability scoring—100% DNS-based without SMTP probing.

Bulk email authentication audit. Parses SPF, DMARC, and DKIM records, returns deliverability score (0-100), and step-by-step remediation actions per domain.