Reorganized for new stable/waypoint versioning design.

smtp/versions/1/README.md

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+# SMTP Configuration Service
+
+This is a config-only package that other apps reference via the dependency system. It does not deploy any Kubernetes resources.
+
+## Overview
+
+The SMTP package configures global SMTP settings that Wild Cloud applications use for sending transactional emails (password resets, invitations, notifications).
+
+## Usage
+
+Apps that need SMTP add it as a dependency in their manifest:
+
+```yaml
+requires:
+  - name: smtp
+```
+
+Then reference SMTP config in their defaultConfig:
+
+```yaml
+defaultConfig:
+  smtpHost: "{{ .apps.smtp.host }}"
+  smtpPort: "{{ .apps.smtp.port }}"
+```
+
+## 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