Nie moge dostawac mail na o2

Pisze takie cos jak inni wyslaja do mnie. Co mam zrobic? This is the Postfix program at host rekin26.go2.pl. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to If you do so, please include this problem report. You can delete your own text from the attached returned message. The Postfix program