Complete B2B Sales Pipeline: Apollo Lead Gen, Mailgun Outreach & AI Reply Management

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Built by Paul Paul
Created on August 14, 2025

Description

✉️ AI-Powered 3-Step B2B Pipeline — Lead Gen → Cold Outreach → AI Drafted Email Management

Automate your outbound workflow from prospecting to AI-generated reply drafts in Gmail — all fully integrated with your database.
Ideal for SDRs, founders, and growth agencies who want speed, personalization, and control without losing human review.


📌 Example: From a verified lead list to a qualified opportunity — fully tracked, classified, and pre-drafted with this automation.

🚀 What This Workflow Does

Step 1 — Lead Generation
Import leads from Apollo.
Enrich and verify emails.
Store results in Supabase/Postgres,

Step 2 — Cold Outreach
Send 3 step personalized sequences via Mailgun/SendGrid.
Track delivery, opens, replies, and bounces directly in your DB.

Step 3 — Email Management (AI Drafts)
Process only incoming Gmail messages from contacts in your DB.
Generate personalized reply drafts, label threads, update lead status, and alert your team via Slack/Telegram.

🔗 Integrated Services
Database:** Supabase/Postgres
Outbound Email:** Mailgun / SendGrid
Inbound Email & Drafts:** Gmail (OAuth2)
AI Models:** OpenAI / Anthropic (JSON mode for classification + drafting)
Alerts:** Slack / Telegram (optional)

💼 What You Get
Detailed setup guide
Fully connected 3-step pipeline in n8n
Ready-to-use database schema
Pre-built AI prompts for intent classification and professional replies

📥 Perfect For
SDR teams doing targeted outbound
Agencies managing multiple client campaigns
Founders building scalable outbound systems
Sales ops needing a no-risk, review-first reply process

💡 Why You’ll Love It
This isn’t just another outreach template — it’s a full sales engine.
From verified leads to AI-drafted replies, every action is logged, tracked, and controlled for maximum conversions without sacrificing oversight.

This workflow was created by Paul and shared publicly on the n8n community template library. n8nFind indexes it for discovery — the workflow remains the property of its original creator.

Nodes Used (12)

AI Agent
@n8n/n8n-nodes-langchain.agent
Anthropic Chat Model
@n8n/n8n-nodes-langchain.lmChatAnthropic
Code
n8n-nodes-base.code
Gmail
n8n-nodes-base.gmail
Mailgun
n8n-nodes-base.mailgun
OpenAI
@n8n/n8n-nodes-langchain.openAi
OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
Postgres
n8n-nodes-base.postgres
Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow
Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured
Supabase
n8n-nodes-base.supabase
Telegram
n8n-nodes-base.telegram