Hello, Here is the failure notice. Should not the host be lists.nongnu.org instead of lists.gnu.org ?
--------------------------------------------------------------------------------------------------------------------------------------------------------- From Mail Delivery System <[EMAIL PROTECTED]> to [EMAIL PROTECTED] date Wed, Aug 27, 2008 at 10:40 AM subject Mail delivery failed: returning message to sender mailed-by mx10.gnu.org hide details 10:40 AM (1 minute ago) Reply This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: [EMAIL PROTECTED] SMTP error from remote mail server after RCPT TO:<[EMAIL PROTECTED]>: host lists.gnu.org [199.232.76.165]: 550 Unknown user ------ This is a copy of the message, including all the headers. ------ Return-path: <[EMAIL PROTECTED]> Received: from ti-out-0910.google.com ([209.85.142.188]:30730) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from <[EMAIL PROTECTED]>) id 1KYDIl-0005sa-Cr for [EMAIL PROTECTED]; Wed, 27 Aug 2008 01:10:39 -0400 Received: by ti-out-0910.google.com with SMTP id y6so1586929tia.18 for <[EMAIL PROTECTED]>; Tue, 26 Aug 2008 22:10:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:mime-version:content-type:content-transfer-encoding :content-disposition; bh=kYLFow8HQ7h45jGO6dBBdgdC5rx0KHmAyhLojIRaMD8=; b=MnqX9IyPbKXKzuyyFPrRNaFhjuCj230YjH7SO0LqgqBZOE6kXUHtkmWzFBGUp1t32Q F84itdovufCx7WAy6SuuieoUMzrcKoiXgDmDLcXm5WZOtSEydNPnTWI4EV2lDGSdMawo zzrEbwmdLSEjbZR/MFucz6XMC24WV41ZDYAp0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type :content-transfer-encoding:content-disposition; b=GfTjSOmsr6NvP2UbFsOz+LrCzPgj+DWAbLihlGASpB+b3AX/7XswGldA+jWdQO2idA Xw8Zb83wApo1u0zLeWGxmgSiNhbEpGo1dmyIp7gzHDJc/TrHhDKILLFHjzgJBDLy17AL MhztaPMCuS/pGYpzmj9mcWDsV0XItHuQL2ha0= Received: by 10.110.69.5 with SMTP id r5mr7478816tia.17.1219813837039; Tue, 26 Aug 2008 22:10:37 -0700 (PDT) Received: by 10.110.37.14 with HTTP; Tue, 26 Aug 2008 22:10:36 -0700 (PDT) Message-ID: <[EMAIL PROTECTED]> Date: Wed, 27 Aug 2008 10:40:36 +0530 From: "Vivek Shah" <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: Test mail MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-detected-kernel: by monty-python.gnu.org: Linux 2.6 (newer, 2) ---------------------------------------------------------------------------------------------------------------------------------------------------------------- End of failure notice Regards, Vivek