SMTP Settings
Server:smtp.qq.com
Port:587
Security:TLS
IMAP Settings
Server:imap.qq.com
Port:993
Security:SSL
Rate Limits
Per Day200 emails
QQ Mail has strict rate limits for foreign senders. Limits increase with reputation.
Authentication Requirements
- SPF required
- DKIM recommended
- Clean sending IP reputation
- Proper PTR records
Deliverability Tips for QQ Mail (Tencent)
- 1Use a Chinese IP address or relay service when possible
- 2Implement all authentication protocols
- 3Send during Chinese business hours for better delivery
- 4Avoid English-only content which may trigger filters
- 5Build reputation slowly with engaged recipients
- 6Consider using a local ESP for Chinese audiences
Common Issues & Solutions
Connection refused from foreign IPs
Use a relay service with Chinese presence or work with an ESP that has QQ Mail relationships.
High bounce rates
QQ Mail addresses often become inactive. Verify addresses before sending and clean lists regularly.
Content filtering
Avoid spam trigger words in Chinese, include Chinese content, and maintain good sender reputation.
Quick Reference
- Provider
- QQ Mail (Tencent)
- Market Share
- Dominant in China (~60% of Chinese email)
- SMTP Port
- 587
- Security
- TLS