XCLN: Undeliverable Msg, Illegally Formatted to: Header Text

• Microsoft Exchange Windows 95 client, versions 4.0 and 5.0
• Microsoft Exchange Windows 3.x client, versions 4.0 and 5.0
• Microsoft Exchange Windows NT client, versions 4.0 and 5.0
• Microsoft Exchange MS-DOS client, versions 4.0 and 5.0

SYMPTOMS

After sending a message to a CompuServe member, the user may receive the following message from "Electronic Postmaster POSTMASTER@CompuServe.COM:"

   Subject:    Undeliverable message

   Illegally formatted To: header text

   ------- Returned Message --------

   Sender: user@domain.com
   Received: from router.domain.com (router.domain.com [IP_address]) by
      arl-
   img-1.compuserve.com (8.6.10/5.950515)
      id LAA28247; Thu, 27 Jun 1996 11:25:49 -0400
   Received: by router.domain.com with Microsoft Exchange (IMC 4.0.838.14)
      id <01BB6402.55C69350@ router.domain.com>; Thu, 27 Jun 1996 08:26:27-
   0700
   Message-ID: <c=US%a=_%p=domain%l=SERVER-960627152737Z-8201@
      router.domain.com>
   From: Display Name <user@DOMAIN.com>
   To: "'12345,6789@compuserve.com'" <12345,6789@compuserve.com>
   Subject: Message Subject.
   Date: Thu, 27 Jun 1996 08:27:37 -0700
   Return-Receipt-To: <user@DOMAIN.com>
   X-Mailer:  Microsoft Exchange Server Internet Mail Connector Version
   4.0.838.14
   Encoding: 0 TEXT

CAUSE

The e-mail address is not in the correct syntax. In this example, the CompuServe member's ID is "12345,6789." The comma is not an accepted character.

RESOLUTION

Substitute a period (.) for the comma. The following e-mail address syntax should be used:

   12345.6789@compuserve.com