关于中转domino邮件？？？

A、B、C三domino，A与B、B与C之间可以互相发邮件，可A与C无法发邮件？其中A与B已经交叉验证、连接已经建立，B与C也已经交叉验证、连接意见建立，A向c发邮件时，出现如下提示：
005-06-27 16:50:15 Router: Message 00308024 forwarded to admin/HUN@szf
2005-06-27 16:50:15 Router: Message 00308BD6, 00308024 forwarded to admin/HUN@szf
2005-06-27 16:50:15 Router: Message 00308BD7, 00308024 forwarded to admin/HUN@szf
2005-06-27 16:50:15 Router: Message 00308BD8, 00308024 forwarded to admin/HUN@szf
2005-06-27 16:50:15 Router: Message 00308BD9, 00308024 forwarded to admin/HUN@szf
2005-06-27 16:50:15 Router: Unable to deliver message 00308BDA, 00308024 to admin/HUN@szf
2005-06-27 16:50:15 Maximum forwarding loop count exceeded. Message probably in a forwarding loop. Examine Forwarding Address of intended recipient in Domino Directory
请问这如何处理？