Until I can be provided a means to confirm that the XML-Sitemaps script is in fact correctly pinging the search engines, I needed a means to ease my own mind on this.. So as a stopgap measure to ENSURE that my generated sitemaps are being submitted, I added this script to handle the submission.
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Would like to know what the cause of 500 error is so I can truly rectify it.. To reiterate, it appears that the sitemaps are created correctly.. I get the email informing that my sitemap was generated successfully, but that email gives no indication as to whether or not the sitemap ping is working..