One member of distribution list not receiving external emails

Very stumped!
I had a distibution list called finance which had two members. The email address was
We do have an Accounts security group, but members didn't want unnecessary external emails, so set up this distribution list and did not have email enabled on the accounts group.
One of the two people is not getting external mail.
So, what have I done so far:
Put only that person in the group; still no good.
Added a third person, they get mail, so does the original person, but not the culprit.
Okay, so I deleted the dist group, created a new one called accounting; still going to Still no good.
I wondered if it was something to do with the fact that accounts exists in the domain.
So, finally, I deleted the dist group, enabled email on the accounts depts and sent yet another test from external.
Three out of four people in accounts get the mail, but still not the culprit.
I've looked at her rules, her profile, her groups, her desk!!!!!
What in heavens sake is stopping her getting external emails. Please help
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Jamie McKillopIT ManagerCommented:

Check you message tracking logs to see if it was delivered to the mailbox. It could be a rule on the mailbox that is causing the problem. Check for that as well.

jasonbourneciaAuthor Commented:
First time I've checked message tracking logs, but loads in there, all the tests I did.
I checked sent to
I then checked one of the individuals who was getting messages, but none from me in there.
So, it looks like the messages get to 'accounts' but still one user doesn't get them.
She has four rules set up, but none related.
jasonbourneciaAuthor Commented:
Just checked tracking logs for the culprit, all the emails are in there!!!!
How do I checked what's wrong?
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jasonbourneciaAuthor Commented:
There appears to be three copies of each one in there
Jamie McKillopIT ManagerCommented:
So, do the tracking logs indicate the message was delivered to the mailbox in question?

jasonbourneciaAuthor Commented:
How do I tell?
I've attached a snapshot from Polly - the culprit!
You notice Jenny is mentioned; they are both in the accounts group. Jenny always got the emails, polly never.
I added Jackie and she got them.
Jamie McKillopIT ManagerCommented:
The EventId of Deliver and source of StoreDriv indicated the message was delivered to the mailbox. I would disable all the rules on the mailbox to see if that resolves the issue. Also, check the Junk email folder.

jasonbourneciaAuthor Commented:
Bear with me, Polly has left for the day, so rather than log on myself, I'll check with her Monday morning and let you know.
Thanks so far.
jasonbourneciaAuthor Commented:
I delete Polly's three rules, which only redirect certain unrelated mail, to a folder and she now gets mail!!!
So, I recreated some rules as before and it's stopped again!!!!!
Any way past this, as the rules send loads of vouchers to specifc folders which makes her life easier.
I will mention, possibly importantly, that when I created the first rule, it mentioned something about not being the same as a server rule! I wasn't aware there were any user specific rules in Exchange.
Jamie McKillopIT ManagerCommented:

There are two types of rules - server side and client side. The server-side rules fire on the Exchange server and are independant of Outlook. The client side rules fire in Outlook and Outlook needs to be open for them to fire.

If you run outlook with the /cleanrules switch, it will delete all the rules, bother client and server side. You can then start from scratch.


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jasonbourneciaAuthor Commented:
Thanks for that JJ.
Polly has left for the day, so will run cleanrules tomorrow.
But the fact that removing the rules worked, points to your answer, so once again, thanks, your help was much appreciated.
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