Humm… movabletype’s mt-xmlrpc.cgi and mod_perl’s good buddy apreq don’t play well together. For example you might find this in your server’s error log.

 ... [libapreq] unknown content-type: `text/xml'

What to do?

If you disable mod_perl for mt-xmlrpc.cgi then, happy day, you can post from BlogApp. For example you might make a script like:

  #!/bin/sh
  exec .../mt-xmlrpc.cgi $*

Of course you can only suffer from this problem if your clever enought to have installed mod_perl. Mod_perl is, by the way, God’s gift to performance.