you said small org. How many users? Is it too cumbersome to setup contacts for all the @hosted email addresses?

bill


Eric wrote:
Thanks for the help on this! I am very surprized the hosting providers documentation didn't mention this at all! I even contacted their support. I've never had to forward to an external email address before. Is there a work around for this without creating an open relay? The Exchange server will be decomissioned once we have everyone moved to the hosting provider.

Thanks again!
Eric

On Wed, Jun 15, 2011 at 4:55 AM, Michael B. Smith <[email protected] <mailto:[email protected]>> wrote:

    This is completely normal. You’ll have to authenticate to forward
    to external addresses.

    Regards,

    Michael B. Smith

    Consultant and Exchange MVP

    http://TheEssentialExchange.com <http://theessentialexchange.com/>

    *From:* Eric [mailto:[email protected] <mailto:[email protected]>]
    *Sent:* Tuesday, June 14, 2011 11:42 PM
    *To:* MS-Exchange Admin Issues
    *Subject:* Unsolved Forwarding Issue

    I am trying to help a small organization move to a hosted Exchange
    environment.  As part of the process we are trying to setup
    forwarding on the mailboxes that have been moved to the new
    environment.  If I setup forwarding to an internal mailbox on our
    Exchange server, forwarding works.  Once I configure the mailbox
    to forward to an external address ([email protected]
    <mailto:[email protected]>) and send from an external
    address the forwarding fails.  But if I send from an internal
    mailbox, it forwards to the externally hosted address.  I get the
    following error from the SMTP logs for externally sent email:

    550+5.7.1+Unable+to+relay+for+user
    <mailto:[email protected]>@
    <mailto:user@t>hostedaddress.com <http://hostedaddress.com/>

    The logs show the initial SMTP connection from my external domain
    and then another connection frowarding/relaying to the hosted
    addresses.  I am not sure if this is normal for Exchange SMTP logs
    so hopefully someone else has seen this possibly.

    I didn't design the system and unfortunately the admin doesn't
    seem to "remember" many of the details of the design.  They are
    using a Barracuda firewall/spam filter device which I've never
    personally used and don't have access to yet.


    Any help or ideas would be greatful so I can get this project
    completed soon hopefully :)


    Thank You,

    Eric

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