Find direct answers to common Cloudflare Email Service questions.
Email Service may queue or reject emails that exceed sending limits. Error responses include rate-limit information.
Refer to Email Service limits for quota details and increase requests.
Sender reputation measures how much inbox providers trust your email. Authentication, bounces, complaints, volume patterns, engagement, and sending history affect it.
Refer to Deliverability for related reputation factors.
No. Email Service supports transactional email only.
Report email abuse to mailabuse@cloudflare.com. Include:
- Full email headers
- Description of the issue
- Any relevant account information
Refer to Postmaster contact information for the canonical address.