Does LISTSERV have an API? [closed]
问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last year . I have a custom application that was built to send opt-in newsletters and marketing emails. It does a pretty good job sending mail, but it doesn't respond at all to bounces or unsubscribe requests. It seems to me that rather than building that functionality myself I should use a mailing list manager such as