a quick test with www.dnsreport.com shows that you have no Nameserver entry for email.systelinc.com Have a look into the logfile and see what answer you get from the server. Most servers will reject such peers. Maybe intel.com has some NS Problems:
Getting MX record for intel.com (from local DNS server, may be cached)... No response received. This should be treated as an ERROR (per RFC974), and the E-mail delivery should be retried later Matti > Hi , > Iam sending mails to this domain mail ids. Mails are bouncing back please > give me the solution on this error is ( Delivery failed 3 attempts: > [EMAIL PROTECTED]). > Regards > Naren > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > Sent: Tuesday, February 13, 2007 1:46 PM > To: [EMAIL PROTECTED] > Subject: Undeliverable Mail > Delivery failed 3 attempts: [EMAIL PROTECTED] > Original message follows. > Received: from devine01 [220.225.228.147] by email.systelinc.com with ESMTP > (SMTPD-9.10) id AC4105C0; Tue, 13 Feb 2007 12:58:25 -0500 > From: "Naren" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Subject: Please reply me > Date: Tue, 13 Feb 2007 23:27:17 +0530 > Message-ID: <[EMAIL PROTECTED]> > MIME-Version: 1.0 > Content-Type: multipart/alternative; > boundary="----=_NextPart_000_002A_01C74FC6.BE8E8A80" > X-Mailer: Microsoft Office Outlook 11 > thread-index: AcdPfbffRNgH43zKRNCxDWdLrW5GQA== > X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 > This is a multi-part message in MIME format. > ------=_NextPart_000_002A_01C74FC6.BE8E8A80 > Content-Type: text/plain; > charset="us-ascii" > Content-Transfer-Encoding: 7bit > Hi > its a test mail, please send me the conformation. > > > Regards > Narendra Reddy Malireddy > Network Administrator > Systel, Inc. > 600 Embassy Row, > Suite# 200, Atlanta GA 30328 > Call: 6789998562 > Fax: 248-479-0561 > <mailto:[EMAIL PROTECTED]> [EMAIL PROTECTED] > > ------=_NextPart_000_002A_01C74FC6.BE8E8A80 > Content-Type: text/html; > charset="us-ascii" > Content-Transfer-Encoding: quoted-printable > <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> > <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Dus-ascii"> > <META content=3D"MSHTML 6.00.5730.11" name=3DGENERATOR></HEAD> <BODY> <DIV> > <DIV align=3Dleft><STRONG><FONT face=3D"Book Antiqua" color=3D#800080 = size=3D2>><SPAN=20 class=3D666444414-13022007>Hi > </SPAN></FONT></STRONG></DIV> <DIV align=3Dleft><STRONG><FONT face=3D"Book > Antiqua" color=3D#800080 = size=3D2><SPAN=20 > class=3D666444414-13022007> its a test mail, please send me = > the =20 conformation.</SPAN></FONT></STRONG></DIV> > <DIV align=3Dleft><STRONG><FONT size=3D2><FONT face=3D"Book = Antiqua">><FONT=20 color=3D#800080></FONT></FONT></FONT></STRONG> </DIV> > <DIV align=3Dleft><STRONG><FONT size=3D2><FONT face=3D"Book = Antiqua">><FONT=20 color=3D#800080></FONT></FONT></FONT></STRONG> </DIV> > [message truncated] > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: > http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ - Matti Haack - Hit Haack IT Service Gmbh Poltlbauer Weg 4, D-94036 Passau +49 851 50477-22 Fax: +49 851 50477-29 http://www.haack-it.de Registergericht Passau HRB 5678 USt. ID: DE195625715 Besuchen Sie jetzt unseren neuen INTERNET&NETWORK Security Shop mit faszinierenden Angeboten rund um Ihre Netzwerk- Sicherheit: http://www.inn.de -- Ausgehende E-Mail wurde auf Viren gescannt -- To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
