Delayed Message

Hi,

I just got my Exchange server up and running with ~30 users.

One of my co-workers get this message when trying to send e-mail to certain accounts:

Genererande server: monkey-srvad.monkey.local

""""""@""""""".com Remote Server returned '400 4.4.7 Message delayed'

Ursprungshuvuden:

Received: from monkey-srvad.monkey.local (192.168.2.10) by  monkey-srvad.monkey.local (192.168.2.10) with Microsoft SMTP Server (TLS) id  15.0.847.32; Mon, 16 Nov 2015 14:57:31+0100 Received: from monkey-srvad.monkey.local ([::1]) by monkey-srvad.monkey.local  ([::1]) with mapi id 15.00.0847.030; Mon, 16 Nov 2015 14:57:31 +0100 From: Jonas Magnusson <"""""""@""""""".se> To: """""""@""""""".com"<""""""@""""""".com> Subject: =?iso-8859-1?Q?Nytt_f=F6rslag_p=E5_tid:_Inbjudan:_M=F6te_innan_live_produ?=  =?iso-8859-1?Q?ktion_Monkeysports_-_Tor_2015-12-03_09:00_-_12:00_(adiola.?=  =?iso-8859-1?Q?clarke@quinyx.com)?= Thread-Topic: =?iso-8859-1?Q?Inbjudan:_M=F6te_innan_live_produktion_Monkeysports_-_Tor_?=  =?iso-8859-1?Q?2015-12-03_09:00_-_12:00_(""""""@""""""".com)?= Thread-Index: AQHRHhY9tl3bKek/8kOkOxgtwUkbj56esUHg Date: Mon, 16 Nov 2015 13:57:30 +0000 Message-ID: <ed7e05dec54341cf9187402ba6bdca4c@monkey-srvad.monkey.local> Accept-Language: sv-SE, en-US Content-Language: sv-SE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [192.168.2.66] Content-Type: multipart/alternative;                       boundary="_000_ed7e05dec54341cf9187402ba6bdca4cmonkeysrvadmonkeylocal_" MIME-Version: 1.0