XFOR: Mail Can't Be Sent Over IMC if Out Folder Missing

• Microsoft Exchange Server, version 4.0

SUMMARY

When the Out folder under %exchange_root%\Imcdata is deleted, any attempt to send messages over the Microsoft Exchange Internet Mail Connector (IMC) will fail with a message similar to the following in the Windows NT Event Log:

   EVENT ID:   3022
   TYPE:  Warning
   SOURCE: MSExchangeIMC
   CATEGORY:  Message Transfer

   DESCRIPTION: The following message was not delivered because the local
   recipient could not be set. A non-delivery report was sent for this
   message. From: "original user’s display name" Subject: "subject of
   the message" Submit Time "time the message was submitted".

  To:  "recipient that sent message"
  From:  System Administrator
  Time:  "time of the NDR"
  Subject:  Undeliverable!  "subject of original message"

   Your message did not reach some or all of the intended recipients.

   Subject:"subject of original message"
   Sent:"time the original message was sent"

   The following recipient(s) could not be reached:

   "root@domain.com" on "time of the NDR"
   Unable to deliver the message due to a communications failure
   [MSEXCH:IMC:Microsoft:Millenium:MILLENIUM]

MORE INFORMATION

The Out folder is not protected and it can be deleted while the IMC is running. However, if this folder does not exist when the IMC starts, the IMC will create it.