Do they have "forged" from addresses and so have they ended up in his "Junk E-mail" folder?
When questions like this are raised, if the messages are still in the tracking logs, I usually use the "Explore Tracking Logs" tool to in the EMC to check the messages have arrived. If you notice though it shows you the Powershell command its running under the covers. I then copy that command and run it from the Powershell command line but I pipe the output into "export-csv" so it outputs to a CSV file and then I send that to the user. As you say disappearing messages can be hard to find.... Dave Wade From: Peter Johnson [mailto:johnson.pet...@gmail.com] Sent: 04 March 2013 16:01 To: MS-Exchange Admin Issues Subject: Re: Email receipt mystery Is he running in cached mode? Maybe turn that off and see what you get? On Mon, Mar 4, 2013 at 5:57 PM, Kennedy, Jim <kennedy...@elyriaschools.org<mailto:kennedy...@elyriaschools.org>> wrote: "He's searched his mailbox, checked his filtering/rules and is confident they were not received." Check his rules for him. From: Tammy George [mailto:tammy.geo...@acadiau.ca<mailto:tammy.geo...@acadiau.ca>] Sent: Monday, March 04, 2013 10:47 AM To: MS-Exchange Admin Issues Subject: Email receipt mystery Hello. A user who reports he's not receiving some emails sent to him from a few specific users (possibly more). Our environment is Exchange 2010. After much testing, we've determined the following (from the user's perspective): - all emails sent to him from User A using Outlook are received (including Unix hosted mailing lists & not) - all emails sent to him specifically from User A using OWA are received. - emails sent to him via a Unix hosted email list from User A using OWA are NOT received. - I sent a message from OWA to the same Unix hosted email list which he's a member of and he received them ok. >From the Exchange server's point of view: Tracking Log Explorer shows that all messages are being received by the User. He's searched his mailbox, checked his filtering/rules and is confident they were not received. I have message IDs of the 'unreceived' messages as well as subject, etc. Is there any additional way I can prove these messages were delivered to the user's mailbox and where they may be? Thank you. - Tammy --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com<mailto:listmana...@lyris.sunbeltsoftware.com> with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com<mailto:listmana...@lyris.sunbeltsoftware.com> with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com<mailto:listmana...@lyris.sunbeltsoftware.com> with the body: unsubscribe exchangelist Confidentiality:- This email, its contents and any attachments are intended only for the above named. As the email may contain confidential or legally privileged information, if you are not, or suspect that you are not, the above named or the person responsible for delivery of the message to the above named, please delete or destroy the email and any attachments immediately and inform the sender of the error. --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist