Nostalrius Begins - Quality wow vanilla realm (1.12)

when i change my account password , the website said that 'An email was successfully sent to my mail',
but i had wait for a long time ,and i had done it not only once.

could u tell me why my mail cannot get the authentication mail? and what should i do?

Pottu wrote:Please add "[email protected]" to your contacts or white/safe list.

yea, i had done that! but can not get the mail also