AI Email Agent

AI Email Automation Agent
3x Reply Rates with Personalization at Scale

Generic email blasts get ignored. An AI email automation agent writes personalized messages for every recipient based on their behavior, profile, and stage in the journey. It optimizes send times, handles replies intelligently, A/B tests subject lines and content automatically, and keeps your sequences running without manual intervention. The result is email that feels personal at scale.

14 day delivery
CAN SPAM compliant
Full source code
Build Your Email Agent

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What This Agent Does

Writes personalized emails, optimizes send times, handles replies, and runs A/B tests automatically. Email that converts without the manual work.

Personalized email generation using recipient data, behavior signals, and conversation history
Smart reply handling that classifies incoming responses and routes or responds appropriately
Send time optimization per recipient based on historical open and click patterns
A/B testing that automatically generates subject line and content variants, measures results, and picks winners
Audience segmentation based on engagement, lifecycle stage, purchase history, and custom attributes
Trigger based sequences fired by user actions: signup, purchase, inactivity, support ticket, and more
Template library with AI generated variations that maintain brand voice across campaigns
Multi channel coordination across email, SMS, and in app messaging with suppression rules
Campaign analytics with open rates, click rates, reply rates, conversion attribution, and revenue tracking
Deliverability monitoring with bounce handling, list hygiene, and sender reputation tracking
Follow up sequences that adapt based on whether the recipient opened, clicked, or replied
Configurable sending limits, throttling rules, and compliance guardrails per campaign type

Measured ROI

3x higher

Reply Rate

Personalized messages outperform generic templates consistently

15 hrs/week

Time Saved

Sequence creation, reply handling, and testing fully automated

2.5x more

Revenue per Email

Better targeting and personalization increase conversion rates

95%+ deliverability

List Health

Automated hygiene and bounce handling maintain sender reputation

Tech Stack

LangChain
Agent framework
OpenAI / Claude
Email generation
Resend
Email delivery
PostgreSQL
Campaign data
Redis
Rate limiting
BullMQ
Send queue
Hono
API server
Railway
Hosting

14 Day Build Timeline

Day 1 to 2

Email Audit

Analyze existing campaigns, map audience segments, define sequence triggers, document brand voice.

Day 3 to 5

Generation Engine

Personalized email writer, subject line generator, A/B test framework, template library.

Day 6 to 8

Automation

Trigger sequences, reply classification, follow up logic, send time optimization, multi channel coordination.

Day 9 to 10

Analytics

Campaign dashboard, conversion tracking, revenue attribution, deliverability monitoring.

Day 11 to 12

Integration

CRM sync, event tracking, list management, compliance setup (unsubscribe, CAN SPAM).

Day 13 to 14

Launch

Production deployment, first campaign generation, monitoring, team training.

AI Email Agent

$3,500

14 day delivery • Deliverability tuned • 30 day support

Basic email bots from $1,500 • Enterprise from $8,000

Build Your Email Agent

See an Email Platform We Built

An AI email system with personalized sequence generation, smart reply handling, and automated A/B testing that tripled reply rates for a B2B sales team.

Read the Case Study

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50+ products shipped$10M+ funding raised2-week delivery

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