Site: USPSKeep getting this error message "An unexpected error has occurred. Please try refreshing the page."I have tried with two different browsers. Add new comment Comments Safari keeps stating "can't establish a secure connection to server "pay.usps.com. What can I do? reply 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 1XeKXm Enter the code above * Enter the code without spaces.