Post link redirects are absolutely basic functionality (which are available in many other services) and are sorely needed. It's not just occasional typos on publishers' part, there are also server migrations or other last minute hosting issues that are cause for emergency link redirects. The security argument about someone using it for spam seems weak. The only people who would have access to CC link redirects are the admins running the mail list so, if they didn't have reason to use it for spam in the first place, why would they do that afterward? Please make it so.
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