fix issues in mail settings
fix issues in mail settings

- port will be sent as number
- use ssl as default encryption

Change-Id: I257314d22354a31b173a9a51b3e1881fae53df9a
Signed-off-by: Kanagaraj M <a744b691cd98174fb19a473a8cf78b810491e452@redhat.com>

skyrings/kitoon,skyrings/kitoon,cloudbehl/tendrl_frontend,Tendrl/dashboard,kmkanagaraj/usm-client-2,cloudbehl/tendrl_frontend,skyrings/kitoon,kmkanagaraj/usm-client-2,kmkanagaraj/usm-client-2,Tendrl/dashboard