Cannot Send Email

Hi…

Our Domino Console show that email to attglobal.net cannot be sent. Here the debug log.

02/13/2008 08:44:28 AM [0D8C:0008-1A48] SMTPClient: Attempting to Connect: Host mx1.prserv.NET, Port 25, SSL Port 0, Connecting Domain win2k3.TMSB

02/13/2008 08:44:28 AM [0D8C:0008-1A48] SMTPClient: Connection successful

02/13/2008 08:44:28 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 220 prserv.net - Maillennium ESMTP/MULTIBOX kcin04 #881

02/13/2008 08:44:28 AM [0D8C:0008-1A48] SMTPClient: CommandEHLO: EHLO win2k3.TMSB

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-prserv.net

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-7BIT

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-8BITMIME

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-DSN

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-EXPN

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-HELP

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-NOOP

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-PIPELINING

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-SIZE 10485760

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250-VERS V05.00c++

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250 XMVP 2

02/13/2008 08:44:31 AM Router: Transferring mail to domain ATTGLOBAL.NET (hostmx1.prserv.NET [12.154.55.40]) via SMTP

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: Attempting to SubmitMessage:

02/13/2008 08:44:31 AM [0D8C:0008-1A48] SMTPClient: CommandMAIL: MAIL FROM:peter@tatsumori.com.my SIZE=2028

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 521-EHLO/HELO from sender 192.228.185.163 does not map to win2k3.tmsb in DNS

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 521-sending machine name must be provided as a fully

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 521-qualified domain via EHLO/HELO command.

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 521-see section 4.1.1.1 and 4.1.4 of RFC 2821

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 521 Unknown DNS not allowed

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: CommandRSET:

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 250 ok

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: Attempting to Disconnect:

02/13/2008 08:44:51 AM [0D8C:0008-1A48] SMTPClient: CommandQUIT:

02/13/2008 08:44:52 AM [0D8C:0008-1A48] SMTPClient: ReceiveResponse: 221 prserv.net

02/13/2008 08:44:52 AM [0D8C:0008-1A48] SMTPClient: Connection terminated successfully

02/13/2008 08:44:52 AM Router: No messages transferred to ATTGLOBAL.NET (host mx1.prserv.NET) via SMTP

02/13/2008 08:44:52 AM Router: Error transferring message 00040D28 via SMTP tomx1.prserv.NET,mx2.prserv.NET 521 Unknown DNS not allowed

02/13/2008 08:44:52 AM Router: Message 00041B9F, 00040D28 delivered to Peter Anak Srang/Tatsumy>

Urgent needed your support. This happened since February 2008. Before this since Year 1998 there are nothing wrong.

Thanks

Subject: Cannot Send Email

It appears that attglobal.net is expecting a good reverse DNS record from your domain. To get an explanation, this might help:

http://chris-linfoot.net/d6plinks/CWLT-6URFGE

There is no reason that you shouldn’t contact attglobal.net. A contact number should be on their website. Somewhere.

HTH.

Gregg