initial import

README.md

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+# POP to IMAP Importer
+
+A Rust application that downloads emails from a POP3 server and imports them into an IMAP server's INBOX.
+
+## Features
+
+- Downloads all emails from a POP3 server
+- Imports emails to the INBOX of an IMAP server
+- Secure TLS connections
+- Environment-based configuration
+
+## Setup
+
+1. Copy `.env.example` to `.env`:
+
+   ```bash
+   cp .env.example .env
+   ```
+
+2. Edit `.env` with your server credentials:
+
+   ```env
+   # POP3 Source Server Configuration
+   POP3_HOST=pop.example.com
+   POP3_PORT=995
+   POP3_USERNAME=your_pop3_username
+   POP3_PASSWORD=your_pop3_password
+
+   # IMAP Destination Server Configuration
+   IMAP_HOST=imap.example.com
+   IMAP_PORT=993
+   IMAP_USERNAME=your_imap_username
+   IMAP_PASSWORD=your_imap_password
+   ```
+
+## Usage
+
+Run the application:
+
+```bash
+cargo run
+```