[求助]2010 能接收内外网邮件，但不能发送外网邮件 [复制链接]

exchange 2010 Version: 14.01.0218.013
windows 2008 R2 企业版

内网和外网都是可以收发内部邮件，在外网用gmail啥的发出的邮件能接收到，但是如果发邮件到gmail和其它邮箱就收不到，报错信息如下：

求求高手帮忙，感激不尽

Delivery has failed to these recipients or groups:
aaaa@gmail.com (aaaa@gmail.com)
Your message wasn't delivered due to a permission or security issue. It may have been rejected by a moderator, the address may only accept e-mail from certain senders, or another restriction may be preventing delivery.

The following organization rejected your message: mail.mysite.com.
Diagnostic information for administrators:
Generating server: WIN.mysite.com
aaaa@gmail.com
mail.mysite.com #550 5.7.1 Unable to relay ##
Original message headers:Received: from WIN.mysite.com ([fea0::e916:ad2a:ff38:557e]) byWIN.mysite.com ([fe81::e936:adea:ff28:503e%11]) with mapi id14.01.0218.012; Wed, 14 Mar 2012 04:20:12 -0400From: Administrator <Administrator@mysite.com>To: "aaaa@gmail.com" <aaaa@gmail.com>Subject: testThread-Topic: testThread-Index: Ac0Bu0bA6Npu1LRGTZu3s3UpDpmubw==Date: Wed, 14 Mar 2012 08:20:12 +0000Message-ID: <80A6D8A35554F743AD7920E5A8F79D8A871852@WIN.mysite.com>Accept-Language: en-USContent-Language: en-USX-MS-Has-Attach:X-MS-TNEF-Correlator:x-originating-ip: [192.168.1.3]Content-Type: multipart/alternative;boundary="_000_80A6D8A35554F743AD7920E5A8F79D8A871852WIN84AQ9KSN6Q8ibi_"MIME-Version: 1.0

您好，首先请确认WIN.mysite.com这台服务器是不是贵司的exchange服务器，如果是的话，请确保在接收连接器的验证选项卡上将其设置为“外部安全的”，并确保您在权限选项卡上勾选了“Exchange服务器”