email issue

[kassimi.hn]

Hi everyone, 

 

 

I'm having a problem with emails , all emails goes to junk folder , I have spent several hours looking for a solution in the internet but in vain , Can any one help me please , i'm using prestashop 6 , and PHP mail function ; 

 

I tried the solution below but it doesn't solve my problem :

 

http://www.inmotionhosting.com/support/edu/prestashop-15/349-php-mail-error

 

Thank you all