single user not receiving external email Exchange 2007
I am in the middle of a migration from Ex2000 std (on server 2000) to Ex2007 std on server 2008. I currently have both servers running, yet everything has been migrated over to Ex2007. So I have a single user "cs@mydomain.com" who cannot receive external email. Internal sending and receiving works. Sending from this user to external accounts works. I have a test gmail account that I send to three internal accounts...cs, ml and ita. The email shows up in the inbox for ml and ita...not cs. If i go to message tracking and look for that email...it only shows up for ml and ita, there is no entry for cs in there. This cs user was created from the old server then migrated over. I have created a new user/mailbox in the Ex2007 environment and can login and send and receive everywhere. The cs user was created during the migration and I fear that account my be missing some security settings needed to send and receive. Any help would be greatly appreciated. ML
March 4th, 2011 2:53pm

Hi there, If I read well, you have recreated the user natively in Exchange Server 2007. - Can you make sure that the user's email address is correct? - Is there a SPAM-filter? If yes, does the email get caught there by accident? Michael
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March 4th, 2011 3:21pm

Thanks for the reply MVH, Yes I have sent from the cs account to the test gmail account, then replied to cs, ml and ita. Thus ensuring I have made no typo. There is no spam filter in this solution. I created this particular account on the old Ex2000 server. Then tried to send and receive and everything except external worked. I think migrated the mailbox over to Ex2007 and still no external email.
March 4th, 2011 4:10pm

Hi, what I find pretty bizarre is that the email for cs isn't showing up in the message tracking. If it's not there than Exchange didn't receive it at all... It would actually mean that the email got caught anywhere before entering the exchange-organization. Did you get an NDR when mailing back to cs? Michael
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March 5th, 2011 3:03am

Hi, Please do the following: enable smtp logging on the default receive connector start a telnet session to the mailserver on port 25: for example telnet mail.domain.com 25 send a mail to the specific user check if the user receives the mail If you have tried this please post back the results. Regards, JohanExchange-blog: www.johanveldhuis.nl
March 6th, 2011 2:46pm

no NDR. I think it must have to do with permissions but I"m unsure where to look.
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March 7th, 2011 4:08pm

If I perform the following... telnet server 25 ehlo (lists out all the 250-whatever) mail from:myaccount@gmail.com (250 2.1.0 Sender OK) rcpt to:cs@company.com (250 2.1.5 Recipient OK) data <cr> this is a test email sent from telnet to the cs account. <cr>.<cr> (250 Mail queued for delivery) quit (221 Closing connection. Good bye.) User cs will get an email with no subject and no message body and the reply address shows "myaccount@gmail.com
March 7th, 2011 4:14pm

Just to recap new users or other migrated users on 2007 have no issue getting external email? Does external mail come into 2003 server first then relay to 2007? Which server did you do the message tracking from? If external email is coming in to the 2003 server first do message tracking on that box. You mentioned that when the user was created on 2000 first it still couldnt get external email? Can you confirm?James Chong MCITP | EA | EMA; MCSE | M+, S+ Security+, Project+, ITIL msexchangetips.blogspot.com
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March 7th, 2011 4:25pm

Gentlemen...my sincere apologies. I found that there was an error at our ISP preventing email prior to reaching our Exchange server. Problem resolved. Thanks for the help.
March 7th, 2011 4:37pm

How was the ISP blocking just one user? How did you determine that issue was with them? I am having this same problem with just one user, all the other users are working just fine.
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March 8th, 2011 9:53am

Sounds odd. If that user shared the same domain and his email address was valid, I can't imagine how your ISP would be blocking it. Almost like your isp was hosting and not allowing the message to download but still sounds funny. Glad it is working.
March 9th, 2011 10:33am

Interesting to hear from one user.
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March 9th, 2011 10:37pm

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