diff --git a/setup/cluster-services/smtp/README.md b/setup/cluster-services/smtp/README.md
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+# SMTP Configuration Service
+
+This service configures SMTP settings for Wild Cloud applications to send transactional emails.
+
+## Overview
+
+The SMTP service doesn't deploy any Kubernetes resources. Instead, it helps configure global SMTP settings that can be used by Wild Cloud applications like Ghost, Gitea, and others for sending:
+
+- Password reset emails
+- User invitation emails  
+- Notification emails
+- Other transactional emails
+
+## Installation
+
+```bash
+./setup/cluster-services/smtp/install.sh
+```
+
+## Configuration
+
+The setup script will prompt for:
+
+- **SMTP Host**: Your email provider's SMTP server (e.g., `email-smtp.us-east-2.amazonaws.com` for AWS SES)
+- **SMTP Port**: Usually `465` for SSL or `587` for STARTTLS
+- **SMTP User**: Username or access key for authentication
+- **From Address**: Default sender email address
+- **SMTP Password**: Your password, secret key, or API key (entered securely)
+
+## Supported Providers
+
+- **AWS SES**: Use your Access Key ID as user and Secret Access Key as password
+- **Gmail/Google Workspace**: Use your email as user and an App Password as password
+- **SendGrid**: Use `apikey` as user and your API key as password
+- **Mailgun**: Use your Mailgun username and password
+- **Other SMTP providers**: Use your standard SMTP credentials
+
+## Applications That Use SMTP
+
+- **Ghost**: User management, password resets, notifications
+- **Gitea**: User registration, password resets, notifications
+- **OpenProject**: User invitations, notifications
+- **Future applications**: Any app that needs to send emails
+
+## Testing
+
+After configuration, test SMTP by:
+
+1. Deploying an application that uses email (like Ghost)
+2. Using password reset or user invitation features
+3. Checking application logs for SMTP connection issues
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diff --git a/setup/cluster-services/smtp/install.sh b/setup/cluster-services/smtp/install.sh
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+#!/bin/bash
+set -e
+set -o pipefail
+
+# Initialize Wild Cloud environment
+if [ -z "${WC_ROOT}" ]; then
+    print "WC_ROOT is not set."
+    exit 1
+else
+    source "${WC_ROOT}/scripts/common.sh"
+    init_wild_env
+fi
+
+print_header "Setting up SMTP Configuration"
+
+print_info "SMTP configuration allows Wild Cloud applications to send transactional emails"
+print_info "(password resets, notifications, etc.) through your email service provider."
+echo ""
+
+# Collect SMTP configuration
+print_info "Collecting SMTP configuration..."
+
+prompt_if_unset_config "cloud.smtp.host" "Enter SMTP host (e.g., email-smtp.us-east-2.amazonaws.com for AWS SES)" ""
+prompt_if_unset_config "cloud.smtp.port" "Enter SMTP port (usually 465 for SSL, 587 for STARTTLS)" "465"
+prompt_if_unset_config "cloud.smtp.user" "Enter SMTP username/access key" ""
+prompt_if_unset_config "cloud.smtp.from" "Enter default 'from' email address" "no-reply@$(wild-config cloud.domain)"
+
+print_success "SMTP configuration collected successfully"
+
+# Collect SMTP password/secret
+print_info "Setting up SMTP password..."
+echo ""
+echo "For AWS SES, this would be your Secret Access Key."
+echo "For Gmail/Google Workspace, this would be an App Password."
+echo "For other providers, this would be your SMTP password."
+echo ""
+
+prompt_if_unset_secret "cloud.smtp.password" "Enter SMTP password/secret key" ""
+
+print_success "SMTP configuration setup complete!"
+echo ""
+echo "Your SMTP settings:"
+echo "  Host: $(wild-config cloud.smtp.host)"
+echo "  Port: $(wild-config cloud.smtp.port)"
+echo "  User: $(wild-config cloud.smtp.user)"
+echo "  From: $(wild-config cloud.smtp.from)"
+echo "  Password: $(wild-secret cloud.smtp.password >/dev/null 2>&1 && echo "✓ Set" || echo "✗ Not set")"
+echo ""
+echo "Applications that use SMTP: ghost, gitea, and others"
+echo ""
+echo "To test SMTP configuration, deploy an app that uses email (like Ghost)"
+echo "and try the password reset or user invitation features."
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