Hi, I know this doesn't solve your problem, but I would suggest not using ezmlm cgi at all. It has known security problems that probably won't be fixed. Instead, I suggest mhonarc or similar. It will generate archives automatically as new mail is posted assuming it's set up correctly. There's of course Mailman which is web-based. I think ezmlm itself is fine, it's the cgi that's not secure and has bugs.
