Site: USPSOn USPS click n ship I have entered an address, selected Priority Mail flat rate envelope, then clicked on payment. I entered my payment information but the website will not process, stuck! I tried this on Edge and Chrome. Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted gTkwZs Enter the code above * Enter the code without spaces. Leave this field blank
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