Thanks to all for the help. I seem to have things under control now. You guys were right that Google is apparently rejecting the messages, but it seems to be after about 90, which is sufficient for my purposes. $mail->send does return a single value in a list variable which appears to be 1 for success and -1 for failure, so looking at that lets me know where the block begins.

In reply to Re^4: Gmail Send problem by IvanH
in thread Gmail Send problem by IvanH

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