完成任务16:编写 04_长期发展/环境保护.md

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---
name: himalaya
description: "CLI to manage emails via IMAP/SMTP. Use `himalaya` to list, read, write, reply, forward, search, and organize emails from the terminal. Supports multiple accounts and message composition with MML (MIME Meta Language)."
homepage: https://github.com/pimalaya/himalaya
metadata:
{
"builtin_skill_version": "1.0",
"openclaw":
{
"emoji": "📧",
"requires": { "bins": ["himalaya"] },
"install":
[
{
"id": "brew",
"kind": "brew",
"formula": "himalaya",
"bins": ["himalaya"],
"label": "Install Himalaya (brew)",
},
],
},
}
---
# Himalaya Email CLI
Himalaya is a CLI email client that lets you manage emails from the terminal using IMAP, SMTP, Notmuch, or Sendmail backends.
## References
- `references/configuration.md` (config file setup + IMAP/SMTP authentication)
## Prerequisites
1. Himalaya CLI installed (`himalaya --version` to verify)
2. A configuration file at `~/.config/himalaya/config.toml`
3. IMAP/SMTP credentials configured (password stored securely)
## Configuration Setup
Run the interactive wizard to set up an account (replace `default` with
any name you want, e.g. `gmail`, `work`):
```bash
himalaya account configure default
```
Or create `~/.config/himalaya/config.toml` manually:
```toml
[accounts.personal]
email = "you@example.com"
display-name = "Your Name"
default = true
backend.type = "imap"
backend.host = "imap.example.com"
backend.port = 993
backend.encryption.type = "tls"
backend.login = "you@example.com"
backend.auth.type = "password"
backend.auth.cmd = "pass show email/imap" # or use keyring
message.send.backend.type = "smtp"
message.send.backend.host = "smtp.example.com"
message.send.backend.port = 587
message.send.backend.encryption.type = "start-tls"
message.send.backend.login = "you@example.com"
message.send.backend.auth.type = "password"
message.send.backend.auth.cmd = "pass show email/smtp"
```
If you are using 163 mail account, add `backend.extensions.id.send-after-auth = true` in the config file to ensure proper functionality.
## Common Operations
### List Folders
```bash
himalaya folder list
```
### List Emails
List emails in INBOX (default):
```bash
himalaya envelope list
```
List emails in a specific folder:
```bash
himalaya envelope list --folder "Sent"
```
List with pagination:
```bash
himalaya envelope list --page 1 --page-size 20
```
If meet with error, try:
```bash
himalaya envelope list -f INBOX -s 1
```
### Search Emails
```bash
himalaya envelope list from john@example.com subject meeting
```
### Read an Email
Read email by ID (shows plain text):
```bash
himalaya message read 42
```
Export raw MIME:
```bash
himalaya message export 42 --full
```
### Send / Compose Emails
**Recommended approach:** Use `template write | template send` pipeline for simple emails.
**Send a simple email:**
```bash
export EDITOR=cat
himalaya template write \
-H "To: recipient@example.com" \
-H "Subject: Email Subject" \
"Email body content" | himalaya template send
```
**Send with multiple headers:**
```bash
export EDITOR=cat
himalaya template write \
-H "To: recipient@example.com" \
-H "Cc: cc@example.com" \
-H "Subject: Email Subject" \
"Email body content" | himalaya template send
```
**Send with attachments (using Python):**
For emails with attachments, use Python's `smtplib` and `email.mime` modules:
```python
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
from email import encoders
msg = MIMEMultipart()
msg['From'] = 'sender@163.com'
msg['To'] = 'recipient@example.com'
msg['Subject'] = 'Email with attachment'
msg.attach(MIMEText('Email body', 'plain'))
# Add attachment
with open('/path/to/file.pdf', 'rb') as f:
part = MIMEBase('application', 'octet-stream')
part.set_payload(f.read())
encoders.encode_base64(part)
part.add_header('Content-Disposition', 'attachment; filename="file.pdf"')
msg.attach(part)
server = smtplib.SMTP_SSL('smtp.163.com', 465)
server.login('sender@163.com', 'password')
server.send_message(msg)
server.quit()
```
**⚠️ MML attachment limitations:** The `template send` command with MML format may fail with "cannot parse MML message: empty body" when using multipart/attachments. This is a known issue in himalaya v1.1.0. Use Python approach for attachments.
**⚠️ Avoid `message write` for automation:** The `himalaya message write` command requires interactive TUI selection (Edit/Discard/Quit) and will hang in non-interactive environments.
**⚠️ `message send` limitations:** Direct `himalaya message send <raw_email>` may fail with "cannot send message without a recipient" due to header parsing issues. Use `template send` instead.
**Configuration requirement:** Ensure `message.send.save-to-folder` is set in config.toml to avoid "Folder not exist" errors:
```toml
[accounts.163]
# ... other config ...
message.send.save-to-folder = "Sent"
```
For 163 mail accounts, create the Sent folder first if it doesn't exist:
```bash
himalaya folder create Sent
```
### Move/Copy Emails
Move to folder:
```bash
himalaya message move 42 "Archive"
```
Copy to folder:
```bash
himalaya message copy 42 "Important"
```
### Delete an Email
```bash
himalaya message delete 42
```
### Manage Flags
Add flag:
```bash
himalaya flag add 42 --flag seen
```
Remove flag:
```bash
himalaya flag remove 42 --flag seen
```
## Multiple Accounts
List accounts:
```bash
himalaya account list
```
Use a specific account:
```bash
himalaya --account work envelope list
```
## Attachments
Save attachments from a message:
```bash
himalaya attachment download 42
```
Save to specific directory:
```bash
himalaya attachment download 42 --dir ~/Downloads
```
## Output Formats
Most commands support `--output` for structured output:
```bash
himalaya envelope list --output json
himalaya envelope list --output plain
```
## Debugging
Enable debug logging:
```bash
RUST_LOG=debug himalaya envelope list
```
Full trace with backtrace:
```bash
RUST_LOG=trace RUST_BACKTRACE=1 himalaya envelope list
```
## Tips
- Use `himalaya --help` or `himalaya <command> --help` for detailed usage.
- Message IDs are relative to the current folder; re-list after folder changes.
- For composing rich emails with attachments, use MML syntax (see `references/message-composition.md`).
- Store passwords securely using `pass`, system keyring, or a command that outputs the password.
- **For automation:** Always use `template write | template send` pipeline with `export EDITOR=cat`.
- **163 Mail users:** Set `backend.extensions.id.send-after-auth = true` and `message.send.save-to-folder = "Sent"` in config.
- **Folder names:** Use English folder names (e.g., "Sent" instead of "已发送") for better compatibility.

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# Himalaya Configuration Reference
Configuration file location: `~/.config/himalaya/config.toml`
## Minimal IMAP + SMTP Setup
```toml
[accounts.default]
email = "user@example.com"
display-name = "Your Name"
default = true
# IMAP backend for reading emails
backend.type = "imap"
backend.host = "imap.example.com"
backend.port = 993
backend.encryption.type = "tls"
backend.login = "user@example.com"
backend.auth.type = "password"
backend.auth.raw = "your-password"
# SMTP backend for sending emails
message.send.backend.type = "smtp"
message.send.backend.host = "smtp.example.com"
message.send.backend.port = 587
message.send.backend.encryption.type = "start-tls"
message.send.backend.login = "user@example.com"
message.send.backend.auth.type = "password"
message.send.backend.auth.raw = "your-password"
```
## Password Options
### Raw password (testing only, not recommended)
```toml
backend.auth.raw = "your-password"
```
### Password from command (recommended)
```toml
backend.auth.cmd = "pass show email/imap"
# backend.auth.cmd = "security find-generic-password -a user@example.com -s imap -w"
```
### System keyring (requires keyring feature)
```toml
backend.auth.keyring = "imap-example"
```
Then run `himalaya account configure <account>` to store the password.
## Gmail Configuration
```toml
[accounts.gmail]
email = "you@gmail.com"
display-name = "Your Name"
default = true
backend.type = "imap"
backend.host = "imap.gmail.com"
backend.port = 993
backend.encryption.type = "tls"
backend.login = "you@gmail.com"
backend.auth.type = "password"
backend.auth.cmd = "pass show google/app-password"
message.send.backend.type = "smtp"
message.send.backend.host = "smtp.gmail.com"
message.send.backend.port = 587
message.send.backend.encryption.type = "start-tls"
message.send.backend.login = "you@gmail.com"
message.send.backend.auth.type = "password"
message.send.backend.auth.cmd = "pass show google/app-password"
```
**Note:** Gmail requires an App Password if 2FA is enabled.
## iCloud Configuration
```toml
[accounts.icloud]
email = "you@icloud.com"
display-name = "Your Name"
backend.type = "imap"
backend.host = "imap.mail.me.com"
backend.port = 993
backend.encryption.type = "tls"
backend.login = "you@icloud.com"
backend.auth.type = "password"
backend.auth.cmd = "pass show icloud/app-password"
message.send.backend.type = "smtp"
message.send.backend.host = "smtp.mail.me.com"
message.send.backend.port = 587
message.send.backend.encryption.type = "start-tls"
message.send.backend.login = "you@icloud.com"
message.send.backend.auth.type = "password"
message.send.backend.auth.cmd = "pass show icloud/app-password"
```
**Note:** Generate an app-specific password at appleid.apple.com
## Folder Aliases
Map custom folder names:
```toml
[accounts.default.folder.alias]
inbox = "INBOX"
sent = "Sent"
drafts = "Drafts"
trash = "Trash"
```
## Multiple Accounts
```toml
[accounts.personal]
email = "personal@example.com"
default = true
# ... backend config ...
[accounts.work]
email = "work@company.com"
# ... backend config ...
```
Switch accounts with `--account`:
```bash
himalaya --account work envelope list
```
## Notmuch Backend (local mail)
```toml
[accounts.local]
email = "user@example.com"
backend.type = "notmuch"
backend.db-path = "~/.mail/.notmuch"
```
## OAuth2 Authentication (for providers that support it)
```toml
backend.auth.type = "oauth2"
backend.auth.client-id = "your-client-id"
backend.auth.client-secret.cmd = "pass show oauth/client-secret"
backend.auth.access-token.cmd = "pass show oauth/access-token"
backend.auth.refresh-token.cmd = "pass show oauth/refresh-token"
backend.auth.auth-url = "https://provider.com/oauth/authorize"
backend.auth.token-url = "https://provider.com/oauth/token"
```
## Additional Options
### Signature
```toml
[accounts.default]
signature = "Best regards,\nYour Name"
signature-delim = "-- \n"
```
### Downloads directory
```toml
[accounts.default]
downloads-dir = "~/Downloads/himalaya"
```
### Editor for composing
Set via environment variable:
```bash
export EDITOR="vim"
```