Hi all

MSX5.5+SP4.

we have some mailboxes that use "delivery to" "alternate recipient"
the alternate recipient is @x2.abc.com also we have insructed the IMC
through
connections\specify by email the x2.abc.com and "forward all messages 
to this domain" to the IP of that host.

all works fine when that Host is on.

problem is that when they turn the server off, we start getting
error 3010/3011/4031 and messages bounce back to the sender.

I have checked the "Service messages queues" in the IMC
Retry interval (hrs)=.25,.5,1,4
Timeout (hrs)=Urgent=24,normal=48,non-urgent=72
as for what I checked messages stay iun the outbound queue just one hour.
the parametrs show above should guarantee me to stay at least 24Hrs

If the hosts is off let say 8 hours the sender get (immediately) the
following NDR


Your message

  To:      [EMAIL PROTECTED]
  Subject: er
  Sent:    Sun, 28 Oct 2001 07:52:58 -0800

did not reach the following recipient(s):

[EMAIL PROTECTED] on Sun, 28 Oct 2001 07:53:36 -0800
    The recipient name is not recognized
        The MTS-ID of the original message is: c=us;a=
;p=company;l=N20110281553VYZH90R4
    MSEXCH:IMS:Company:site:N 3550 (000B09AA) 550 5.7.1 Unable to
relay for [EMAIL PROTECTED]


what could be happening? is like Exchange after retrying thinks that the
domain @x2.abc.com
does not exist and send the NDR to the sender..please consider that the
deliver of messages is ok 
when that Hosts is ON.

Note: we do not use DNS nor Hosts entry for @x2.abc.com as we just indicate
the IP of that host in the "forward all messages to this domain"..tha Hosts
receives messages just from us so they do not have any prescense on the
internet...other than its IP address


Tia
-ER

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