Sorry, I forgot to post all the Information!osTicket-Version
v1.10 (901e5ea)
— v1.10.1 is available
Server-Software
Apache/2.2
MySQL-Version
10.0.30
PHP-Version
5.6.30We are using HTML as Standard, I tried the other styles, without a change. We are running Outlook 2010, the Exchange Server version is not known to me.