The easiest and fastest way to Send expedited mail via the USPS is SendOvernightMail.com. SendOvernight Mail enables you to send documents, forms and more via USPS Priority mail (which is much faster than USPS First Class mail).
Here's how it works:
USPS Priority Mail items are delivered in an envelope that looks like this:
Sending USPS Priority Mail has never been easier. Whether you're sending time sensitive documents, letters or forms, we make it easy to do it online, without walking all the way to a post office. If you have questions, comments or concerns, email us at firstname.lastname@example.org.
More services are coming soon!