Send Certified Mail Online | Same-Day Proof of Acceptance
Save time and money with our same-business-day printing and mailing service. Easily upload your PDF letters, and we’ll handle the rest, from printing and USPS Certified Mail preparation to Post Office acceptance. Your compliance documents are court-ready with proof of mailing, electronic return receipts, and secure 10-year storage.
Fully Managed Certified Mail Services
Your Certified Mail Outsourcing Service:
Streamline all your important communications with our fully managed Certified Mail services, designed for businesses that need fast, secure, and documented delivery. With SendCertifiedMail.com you can skip the trip to the mailroom or Post Office and send compliance mail online in minutes. Our end-to-end U.S. mailing solutions handle everything from document processing to USPS acceptance, tracking and proof of mailing that fits seamlessly into your workflow. Whether you need one-off letters or scalable business mail services we provide a trusted, affordable mailing solution that ensures your compliance communications are indeed complliant ready.
Services We Provide:
- Same-Business-Day Print & Mail services or create USPS Certified Mail Labels.
- Notarized affidavit of mailing and proof of acceptance, authored by the U.S. Postal Service.
- Immediate Letter Tracking with USPS tracking and delivery confirmation.
- USPS Certified Mail, Return Receipt & Electronic Signature.
- Priority Certified Mail 2-3 day delivery service.
- Certified Mail PLUS adds a duplicate copy sent via First Class Mail.
- 10-Year Secure Data Archive. Compliance-grade record storage available 24/7 at no extra cost.
- Delivery Confirmations and optional USPS Return Receipt Signatures.
- Email Delivery Notifications. Get instant alerts when your letter is delivered or signed for.
- Multi-User Support. Perfect for teams, departments, and multi-location organizations.
- No Monthly Fees. No Contracts - No special software or equipment needed.
Secure Compliance & Delivery Tracking
Streamline your workflow with our intelligent compliance repository. Each Certified Mail letter is digitally documented with proof of USPS acceptance, delivery tracking, and Electronic Delivery Confirmation. Receive automatic email notifications for each delivery, and access your 10-year secure archive anytime, 24/7, at no additional cost.
Automate Your Certified Mail (B2B / API)
Integrate Certified Mail directly into your IT system, CRM, or document workflow. Contact our Certified Mail Team at 800-406-1792 to discuss your needs. We’ll help you implement API, SFTP, or partner integrations for seamless, end-to-end automated processing, available 24/7, 365 days a year, with no additional setup fees.
Trusted by Government and Fortune 500 Companies
Since 2006, we’ve processed over 31 million USPS Certified Mail transactions, making us the industry leader in online Certified Mail and compliance mailing services. Our customers rely on us for fast, reliable, and secure document processing every day.
Guaranteed Same-Business-Day USPS Mailing
Easily upload any PDF letter for same-businss-day service quick, seamless, and hassle-free. We also specialize in advanced variable-data printing, with flexible customization and color laser finishing options.
Note: Custom mail-house services may require additional setup, proof approval, and production time.
Start Sending Certified Mail Today
Call 1-800-406-1792 for an estimate or Live Demo. Let our team handle your Certified Mail with the speed, security, and precision your compliance communications demand.
Frequently Asked Questions About Certified Mail
How fast can I send Certified Mail? Is same-day or overnight delivery possible?
Yes, with our service, you can send Certified Mail with same-business-day processing. Priority delivery options allow for expedited delivery, depending on the destination and cut-off time.
Can I send Certified Mail electronically without going to the Post Office?
Yes, you can send First-Class Mail, Certified Mail, Priority Mail, and Express Mail, electronically through our platform. Skip the trip to the mailroom and Post Office. Just upload your document and we’ll print, pack, and mail it, the same-business-day, on your behalf.
What’s the difference between Certified Mail and other services like Priority Mail, Registered Mail, FedEx, or UPS?
Certified Mail provides official proof of mailing and delivery, while other services focus on speed or security. We combine certified tracking with priority delivery options.
How much does Certified Mail cost and what’s the most affordable way to send it?
Costs vary based on speed and delivery options. Our online U.S. Mail solutions help you save time and money with transparent pricing and no trips to the Post Office.
Does Certified Mail delivery offer tracking and delivery confirmation?
Yes. Our service provides real-time tracking, delivery confirmation, and proof of receipt. Sender have full transparency and documentation every step of the way.

