Exchange 2007 says Delivered but...

Posted on 2012-09-19
Last Modified: 2013-01-22

Here is the scenario.

This company has several distribution groups on their Exchange 2007 server (SBS 2008).  They also have a really good firewall/spam blocker which is integrated with Active Directory (I dont know if that matters or not but I thought I should toss that in just in case)
Here is the scenario.
This doesnt happen a lot but I would say about 1 out of 10 emails that go to the Distribution Group goes thru all the steps of being delivered to the individual users.  The steps are:


When I go to the users that the Server says it was Delivered to, the email isnt there.  

I am stumped.  After Deliver there shouldnt be anymore steps right?  The Spam filter on the Exchange Server (which I just now disabled) wouldnt come between the Delivery would it?
If it has, then thats where the problem probably is, but it just seems odd that Exchange says it Delivered the emails to the Mailboxes but none of the mailboxes have them in there.  I checked rules and such and I even sent an email to that account and it went thru with no problem and was in the Inbox with no Rules interfering

Thanks for any help you can give.
Question by:jonmenefee
    LVL 10

    Expert Comment

    When your server says delivered the only that happened is that the other smtp side has accepted it.  Lets say it then goes to a proxy (like anti spam) it still can be flagged as spam and be deleted silently witouth your server knowing.
    LVL 52

    Assisted Solution

    After Deliver there shouldnt be anymore steps right? - No steps after it says delivered

    So your saying that some emails dont get to any user ... if thats the case check your AV or any Transport rule filters

    - Rancy
    LVL 5

    Expert Comment

    Hi, This seems to be a strange issue, that mail does not reach about ten percent of recipients. This link talks about the same problem. Though, the problem has not been resolved from root, poster of the question managed to find a work-around which you might like as well. Here is the link:

    This is a link on how to setup a new Distribution Group, which I am sure you must have followed. Still, you can go through it just in case you might have missed out on some steps:
    I read on the forums, someone was able to resolve similar issue just by rebooting the server. Are you up for this?

    Accepted Solution

    PlusIt - Thanks but this was not email being delivered outside the Exchange server, it was for emails that were coming into the company and being delivered to the individuals that had email boxes on the server

    Rancy - The transport rules you are talking about.  Would that happen to be the Spam filters and such?

    Kernel-Recovery - Great suggestions and I guess I should have made the message a little clearer.  My fault.

    When I meant they didnt receive the messages 100% of the time, I meant ALL of the users would not receive the messages about 10% of the time.  Example.  An email comes in, goes thru the different stages in the Exchange server and NONE of the users would get that email.  That only happens about 10% of the time.  I think the Transport Rules that Rancy was talking about is the issue here because it seems to be a server side issue and not an individual user problem.

    I have disabled all Spam filters on the server now and am letting just the firewall/spam filter take care of any spam that comes in.  The previous admin setup the Spam filters and didnt include an email address to send the emails that were destined for Spam.  Too bad otherwise I might have found them.

    Author Comment

    Looks like the SPAM filters on the server were causing the problem.

    Closing it now

    Author Closing Comment

    Rancy pointed me in the right direction but it was the SPAM filters that were causing the problems.

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