'fwauthredirect' is a message from your firewall (FW1). Does this same error happen when running the script with a direct connection? 56.0.78.101 is the ip address of usps.com, I'm assuming 148.129.65.3 (or 9) is the firewall's ip. You should probably talk to whoever administers the firewall.

In reply to Re: POST with LWP yields HTTP 302 Not Allowed - Too bad for me? by jsprat
in thread POST with LWP yields HTTP 302 Not Allowed - Too bad for me? by Shizzle

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