IMAP/SMTP Email Tool
Read, search, and manage email via IMAP protocol. Send email via SMTP. Supports Gmail, Outlook, 163.com, vip.163.com, 126.com, vip.126.com, 188.com, vip.188.com, and any standard IMAP/SMTP server.
Configuration
Create .env in the skill folder or set environment variables:
# IMAP Configuration (receiving email) IMAP_HOST=imap.gmail.com # Server hostname IMAP_PORT=993 # Server port IMAP_USER=your@email.com IMAP_PASS=your_password IMAP_TLS=true # Use TLS/SSL connection IMAP_REJECT_UNAUTHORIZED=true # Set to false for self-signed certs IMAP_MAILBOX=INBOX # Default mailbox # SMTP Configuration (sending email) SMTP_HOST=smtp.gmail.com # SMTP server hostname SMTP_PORT=587 # SMTP port (587 for STARTTLS, 465 for SSL) SMTP_SECURE=false # true for SSL (465), false for STARTTLS (587) SMTP_USER=your@gmail.com # Your email address SMTP_PASS=your_password # Your password or app password SMTP_FROM=your@gmail.com # Default sender email (optional) SMTP_REJECT_UNAUTHORIZED=true # Set to false for self-signed certs
Common Email Servers
| Provider | IMAP Host | IMAP Port | SMTP Host | SMTP Port |
|---|---|---|---|---|
| 163.com | imap.163.com | 993 | smtp.163.com | 465 |
| vip.163.com | imap.vip.163.com | 993 | smtp.vip.163.com | 465 |
| 126.com | imap.126.com | 993 | smtp.126.com | 465 |
| vip.126.com | imap.vip.126.com | 993 | smtp.vip.126.com | 465 |
| 188.com | imap.188.com | 993 | smtp.188.com | 465 |
| vip.188.com | imap.vip.188.com | 993 | smtp.vip.188.com | 465 |
| yeah.net | imap.yeah.net | 993 | smtp.yeah.net | 465 |
| Gmail | imap.gmail.com | 993 | smtp.gmail.com | 587 |
| Outlook | outlook.office365.com | 993 | smtp.office365.com | 587 |
| QQ Mail | imap.qq.com | 993 | smtp.qq.com | 587 |
Important for 163.com:
- •Use authorization code (授权码), not account password
- •Enable IMAP/SMTP in web settings first
IMAP Commands (Receiving Email)
check
Check for new/unread emails.
node scripts/imap.js check [--limit 10] [--mailbox INBOX] [--recent 2h]
Options:
- •
--limit <n>: Max results (default: 10) - •
--mailbox <name>: Mailbox to check (default: INBOX) - •
--recent <time>: Only show emails from last X time (e.g., 30m, 2h, 7d)
fetch
Fetch full email content by UID.
node scripts/imap.js fetch <uid> [--mailbox INBOX]
search
Search emails with filters.
node scripts/imap.js search [options] Options: --unseen Only unread messages --seen Only read messages --from <email> From address contains --subject <text> Subject contains --recent <time> From last X time (e.g., 30m, 2h, 7d) --since <date> After date (YYYY-MM-DD) --before <date> Before date (YYYY-MM-DD) --limit <n> Max results (default: 20) --mailbox <name> Mailbox to search (default: INBOX)
mark-read / mark-unread
Mark message(s) as read or unread.
node scripts/imap.js mark-read <uid> [uid2 uid3...] node scripts/imap.js mark-unread <uid> [uid2 uid3...]
list-mailboxes
List all available mailboxes/folders.
node scripts/imap.js list-mailboxes
SMTP Commands (Sending Email)
send
Send email via SMTP.
node scripts/smtp.js send --to <email> --subject <text> [options]
Required:
- •
--to <email>: Recipient (comma-separated for multiple) - •
--subject <text>: Email subject, or--subject-file <file>
Optional:
- •
--body <text>: Plain text body - •
--html: Send body as HTML - •
--body-file <file>: Read body from file - •
--html-file <file>: Read HTML from file - •
--cc <email>: CC recipients - •
--bcc <email>: BCC recipients - •
--attach <file>: Attachments (comma-separated) - •
--from <email>: Override default sender
Examples:
# Simple text email node scripts/smtp.js send --to recipient@example.com --subject "Hello" --body "World" # HTML email node scripts/smtp.js send --to recipient@example.com --subject "Newsletter" --html --body "<h1>Welcome</h1>" # Email with attachment node scripts/smtp.js send --to recipient@example.com --subject "Report" --body "Please find attached" --attach report.pdf # Multiple recipients node scripts/smtp.js send --to "a@example.com,b@example.com" --cc "c@example.com" --subject "Update" --body "Team update"
test
Test SMTP connection by sending a test email to yourself.
node scripts/smtp.js test
Dependencies
npm install
Security Notes
- •Store credentials in
.env(add to.gitignore) - •For Gmail: use App Password if 2FA is enabled
- •For 163.com: use authorization code (授权码), not account password
Troubleshooting
Connection timeout:
- •Verify server is running and accessible
- •Check host/port configuration
Authentication failed:
- •Verify username (usually full email address)
- •Check password is correct
- •For 163.com: use authorization code, not account password
- •For Gmail: use App Password if 2FA enabled
TLS/SSL errors:
- •Match
IMAP_TLS/SMTP_SECUREsetting to server requirements - •For self-signed certs: set
IMAP_REJECT_UNAUTHORIZED=falseorSMTP_REJECT_UNAUTHORIZED=false