Outlook 2003 - unable to reply to emails or to send attachments BUT am able to send and receive normally.

Posted on 2005-04-07
Last Modified: 2010-04-08
Client is running Outlook 2003.  Outlook is configured with his Exchange account as well as his POP account.  He is able to send and receive with no errors but is unable to REPLY to emails sent to him or send emails with attachments.  When he attempts either one of these he receives:The error is: 550 you are not allowed to send mail to (recipient).  When he attempts to reply or send attachment from his POP account using the web interface he is able to do so with no problems.  This leads me to believe it is an Outlook issue and not a problem with his email account itself.  No one else in the company is having this problem.  No changes have been made to his PC recently.  I also deleted and readded the account for good measure.
Question by:nytekgirl
    LVL 8

    Accepted Solution

    I don't know what would cause this to only occur for replies. However, I would suspect that following one or more of these 'general' fixes would work:

    1) Delete and recreate the users' mail profile on their machine
    2) Reinstall Outlook client
    3) Rename the users' local copy of their profile on this PC (whilst logged in as another account with admin rights). Get them to log back in and try it with their new profile.

    This will basically ensure that Outlook is set to it's default, working settings. You may find that just 1 or 2 of the steps is needed.
    LVL 7

    Author Comment

    Correction** He can receive but can not send at all...nor is he able to reply.  When he sends and email he immediately receives the undeliverable.  I did all of these things listed above to no avail.  Any other suggestions?  
    LVL 8

    Expert Comment

    Is the problem occuring for all emails - both internal and external? i.e. can he send to people connected to the same exchange server, but not external? If it only a problem with external addresses can other users on this same exchange server send emails to those external addresses?

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