On 06/26/2012 07:40 AM, Gustavo Lacoste wrote: > The problem is: SNDS by hotmail (microsoft) has listed my server on RED > color claiming sending SPAM from my server, but I completely secure First, look at /var/log/maillog. If you're sending or relaying spam, it will probably be pretty obvious. Second, the listing may apply to your entire network, and could be the result of some other system, or it could be an old listing from a system which previously used your address. If your system is secure, follow hotmail's process for de-listing your address. http://mail.live.com/mail/troubleshooting.aspx