Sending issues
On my first sending, I successfully sent to one million websites. On the second sending—targeting the exact same set of one million sites—just over 700,000 were successfully sent, while more than 200,000 failed. The reasons for these failures varied; some were attributed to an inability to locate a contact form, while others were due to data download failures. I randomly checked the websites that failed during the second attempt and discovered that they were all functioning normally—they loaded correctly and contain contact forms indeed. these websites were successfully sent during the first sending, why did such a large number of them fail during the second sending?
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