Quote Originally Posted by lat9 View Post
That's something to do with your site's server settings, as the request to USPS has (as the debug indicates) timed out.

What version of PHP is in use?

When you view the Admin Tools->Server/Version Information, what values are shown for the site's CURL settings?
cURL support enabled
cURL Information 7.19.7
Age 3
Features
AsynchDNS No
CharConv No
Debug No
GSS-Negotiate Yes
IDN Yes
IPv6 Yes
krb4 No
Largefile Yes
libz Yes
NTLM Yes
SPNEGO No
SSL Yes
SSPI No
Protocols tftp, ftp, telnet, dict, ldap, ldaps, http, file, https, ftps, scp, sftp
Host x86_64-redhat-linux-gnu
SSL Version NSS/3.44
ZLib Version 1.2.3
libSSH Version libssh2/1.4.2