Delivery has failed to these recipients or distribution lists: 'kiensim@gmail.com'Your message wasn't delivered because of security policies. Microsoft Exchange will not try to redeliver this message for you. Please provide the following diagnostic text to your system administrator. The following organization rejected your message: mail.gerbangperdana.com.my. _____ Sent by Microsoft Exchange Server 2007 Diagnostic information for administrators: Generating server: gpsbmail.gerbangperdana.com.my kiensim@gmail.commail.gerbangperdana.com.my #550 5.7.1 Unable to relay ## Original message headers: Received: from gpsbmail.gerbangperdana.com.my ([192.168.123.3]) bygpsbmail.gerbangperdana.com.my ([192.168.123.3]) with mapi; Sat, 12 Sep 200902:37:33 +0800From: Sim Kien Eng <sim@gerbangperdana.com.my>To: "'kiensim@gmail.com'" <kiensim@gmail.com>Date: Sat, 12 Sep 2009 02:37:32 +0800Subject: test 2:37amThread-Topic: test 2:37amThread-Index: AcozDuyY8WIa/KvESjKrw1uiV5tYZg==Message-ID: <FB3D6DC01D19B349AEE04604049FD46507BB1D055E@gpsbmail.gerbangperdana.com.my>Accept-Language: en-USContent-Language: en-USX-MS-Has-Attach:X-MS-TNEF-Correlator:acceptlanguage: en-USx-tm-as-product-ver: SMEX-8.6.0.1168-5.600.1016-16882.000x-tm-as-result: No--35.567000-5.000000-31x-tm-as-user-approved-sender: Nox-tm-as-user-blocked-sender: NoContent-Type: multipart/alternative;boundary="_000_FB3D6DC01D19B349AEE04604049FD46507BB1D055Egpsbmailgerba_"MIME-Version: 1.0

Hi,Is this happening only to a specific user or all domains ? Try to recreate you Edge subscription and test it again.Regards,Johanblog: www.johanveldhuis.nl

All users can not send emailIf I add entry in Hub Transport server, Hub Transport, Accepted Domain = *, Type = External Delay Domain Follow by command start-edgesynchonizationIt work, Email can flow to external user but my Edge server become open delay server, lot of email use my smtp open delay to send emailAnybody, Any idea to resolve my problem

I found the solution.Hub Trasnport - Send Connectors - EdgeSync Inbound connector to my Hub transport - Addess space - Address limit to my domain name instead of -- (open out)