You can post from an email client! To set this up go to your "Writing" options screen and fill in the connection details for your secret POP3 account. Then you need to set up wp-mail.php to execute periodically to check the mailbox for new posts. You can do it with Cron-jobs, or if your host doesn't support it you can look into the various website-monitoring services, and make them check your wp-mail.php URL.
Posting is easy: Any email sent to the address you specify will be posted, with the subject as the title. It is best to keep the address dicrete. The script will delete emails that are successfully posted.
+Posting is easy: Any email sent to the address you specify will be posted, with the subject as the title. It is best to keep the address discrete. The script will delete emails that are successfully posted.
We've eliminated user levels in order to make way for the much more flexible roles system introduced in 2.0. You can read more about Roles and Capabilities on the Codex.