Exchange 2003 mail sometimes goes to user, and sometimes goes to administrator account.

Posted on 2011-10-16
Last Modified: 2012-05-12
Hi all,

I have a strange problem, I am hoping someone came across it before.

I have Exchange 2003 on an SBS 2003, and have POPcon downloading the mail from individual pop accounts (not a global account, or a catchall account) There are about 20 pop3 accounts  which POPcon is retrieving. (I like POPcon better than MS's pop connector)

Anyway, what is happening is, I send mail to a user from Gmail for example, to a user on the SBS 2003 box and this users gets it (, for example) I send another mail from Gmail to this user, and now it goes to the administrator account. It is random, then it works, then it does not work. It does not matter if I BCC the mail, CC the mail, or send mail to this user directly, sometimes it goes to this user, and sometimes it ends up in the administrator account. It does not matter if there is attachments or not.

This is happening to all the users. If I go through the mail in the administrator account with OWA, I can see it is destined for the particular user in Exchange, there are no spelling mistakes in the mail address, it can be destined just for that user, or multiple users. I can’t pinpoint the problem, there is no common denominator. I thought I might have a local DNS problem, but there is only two entries in the DNS record for the server. The server does not have multiple IP addresses.

In POPcon I have done multiple things, by treating the individual pop account as if it is a catchall or a global account, and to force all the mail to go to that specific user, but still, some of the mail goes to administrator.

In active directory, the user only has one SMTP mail address (everyone has just one mail address, and it does not have a .local at the end, it has the correct prefix)

I am using the latest POPcon, running SBS 2003, I have run the Internet connection wizard (ICW) and specified the right domain name. I can telnet on the server's IP address on port 25, and the FQDN on the local LAN.

Anyassistance would be greatly appreaciated!

Question by:wimpie_asg
    LVL 16

    Accepted Solution

    Just try Mapi Pop3 downloader  instead of POPCON and let me update with the results.
    LVL 16

    Expert Comment

    you can download 30 days fully functional trail from
    LVL 3

    Assisted Solution

    Thank-you for the reply.

    It seems that there were individual pop3 accounts with the same SMTP name space as the global mail account.

    Meaning, the company had one catchall account / global mailbox with There were also individual popaccounts with the same SMTP name space.

    I removed the individual pop3 accounts and only used the catchall account, and all seems to be O.K. All mails are now being received by the users.

    Question: Would a catchall account with indvidual mailboxes sharing the same SMTP name space be a problem on all ISP's, or just some?
    LVL 3

    Author Comment

    The problem has been resolved.

    LVL 3

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