Hi UHHH01 !
In my plesk linux 11.09 debian wheezy 32 bits, Apache+Nginx+Postfix smtps with SSLv2 y SSLv3 disabled and forced TLS, works ok doing the steps on KB123160.
However courier-imap pop3s imaps not work with
TLS_CIPHER_LIST="ALL:!SSLv2:!SSLv3:!ADH:!NULL:!EXPORT:!DES:!LOW:@STRENGTH"...