duy_dang2110
Verified User
- Joined
- May 30, 2013
- Messages
- 19
Hi all ,
My hosting server has a problem ,multiple mail accounts can still send mail through the server , I don't know why and how to prevent it , please give me some advice , thank you .
My hosting server has a problem ,multiple mail accounts can still send mail through the server , I don't know why and how to prevent it , please give me some advice , thank you .