==== ToDo ====

Things, that have to be documented:
  * generating the decrypted SSL-key with OpenSSL-CA
  * use of TinyCA and phpki-CA
  * Postfix: main.cf and master.cf
  * implement http://www.contentschmiede.de/archiv/2005/08/26/postfix_fuer_typo3_und_gmx_fit_machen/ in email -> Postfix -> SMTPd- / SMTP-Authentication