Introducing Certificates of Mailing PS 3665

Send First Class or Priority Mail with a USPS Stamped Certificate of Mailing

 

Certificates of Mail for Customers who require proof at a more economic price

Bulk Certificates of Mailing  in Minutes with Mailform

Your Problem:


You want to send dozens of mail pieces with official USPS proof of mailing without waiting in line at the post office

Our Solution:

Lightening fast, web based method to send time sensitive notices, legal documents, invoices or routine communications with customers.
 
Mailform offers an easy-to-use web-based tool designed specifically for bulk certified mailing projects like yours, but made simple so that you dont have to waste hours creating these jobs


Why Mailform?

1. Complete Service Package

We handle everything - printing, postage calculation, form completion and submission. We use USPS compliant forms and production materials

2. Digital & Physical Certificates

Receive a receipt and confirm instantly, then get PDF copies or the PS-3665 in 48 hours. If you'd like a hard copy, simply request physical certificate delivery within 5 business days

3. Enhanced Tracking & Reporting


How It Works

  1. Prepare your files and address list
    Using our CSV template, specify "PS-3665" in your address file and arrange PDFs as needed
  2. Visit Our BulkMail Service 
    Go to mailform.io/bulk-mail to get started
  3. Upload Your Documents
    Upload the files you want inserted into each envelope - we support various formats
  4. We handle everything
    We print, apply postage, complete PS-3665 forms, mail your items, and return your certificates

Pricing

We offer clear and transparent pricing for your certificates and prices are only going to reduce as we improve the product

Prices are approximate and depend on USPS rates for 2025. Contact us for an exact quote.


Why Wait?

We make bulk certificates stress-free, affordable, and efficient. 
Ready to Get Started?
Contact us today at support@mailform.io or upload your address list now to see how simple it can be!

 

How can we help?

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Schedule a quick call to learn more about how Mailform can help you.

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