Support & Help Center
We're here to help you with ProofPost. Find answers to common questions or get in touch with our team.
Live Chat
Chat with our team during business hours (9 AM - 5 PM ET).
Frequently Asked Questions
How long does delivery take?
Basic Mail: 3-5 business days via USPS First-Class
Certified Mail: 3-7 business days with tracking and signature confirmation
What is an Evidence Packet?
An Evidence Packet is a legal PDF containing your original document, proof of mailing, tracking history, delivery confirmation, and recipient signature (when captured). It's automatically generated for all Certified tier mailings and can be used as legal evidence of delivery.
Can I cancel or edit a letter after sending?
Once a mail piece is processed by the USPS carrier (passing its estimated send date), it cannot be canceled or modified. However, you can cancel any pending or processing mail job directly from your dashboard by clicking the "Cancel Mail" button on the job details page before the estimated send date.
What if my mail is returned?
If mail is returned due to an incorrect address or recipient refusal, you'll be notified immediately. We do not provide refunds for returned mail, but you can resend at a discounted rate. Address verification before sending helps prevent this issue.
How do I get my money back?
Refunds are available only if we fail to process your mail due to our error, or if you cancel before printing begins. See our Terms of Service for complete refund policy details.
What file formats do you accept?
We accept PDF files only. Your PDF should be:
- Letter size (8.5" × 11")
- Under 5 MB
- Black and white or color
- At least 200 DPI resolution
Is my data secure?
Yes. All documents and personal information are encrypted in transit and at rest. We use industry-standard security practices and comply with data protection regulations. See our Privacy Policy for details.
Additional Resources
- Terms of Service
Read our complete terms and conditions
- Privacy Policy
Learn how we protect your data
- USPS Tracking
Track your mail directly on USPS.com
Still need help?
Our support team is ready to assist you with any questions or issues.
Contact Support