on outgoing box from my sendmail server i have bounced emails like: From "=?windows-1251?B?QWJib3R0IEJhbmtz?=" <tovek@we-help-u.biz> To <in@mydomain.com> Date Tue, 20 Jan 3610 17:07:24 +0530 Subject =?windows-1251?B?U3dpc3MgQnJhbmRlZCBXYXRjaGVz?= This holiday season, shop online at our luxury watch store. We carry the largest selection of: - Rolex - Breitling - Cartier Code (markup): what is this? is somebody tring to spam using my mail server or what?
It appears that your server has been penetrated. Are you on a shared hosting environment? If you are, report this incident to your webhost so that they could investigate it further.