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Mail not being received

Posted on 2010-09-14
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Last Modified: 2013-11-30
Hi All,

We seem to be having issues with receiving emails to our exchange server.  We are getting most email but there seems to be a lot that just never make it to our exchange server or inboxes.

We are running Windows server 2003 with Exchange 2003.  We have GFI Ver.14.1.  When I check the dashboard for GFI there is no sign of the missing emails.  Also when I check the message tracking in Exchange there is no sign of the email.
all the email addresses are on the whitelist in GFI so they shouldn't be getting blocked from there.

I am totally baffled as to why we would not be receiving these emails.  Any suggestions or help would be greatly appreciated.
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Question by:IBISKA
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12 Comments
 
LVL 8

Expert Comment

by:Mkris9
ID: 33673659
have you checked gfi mail logs to see if anything has been bounced back due to size or encryptioln ?
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Author Comment

by:IBISKA
ID: 33673672
I have only looked on the dashboard.  Would it not show it on the dashboard?  If not where would i check that?

Thanks for getting back to me.
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LVL 53

Expert Comment

by:Will Szymkowski
ID: 33673717
Do you know if this is from a specific domain or just a specific user within a domain? Does the user that is trying to send you email get a NDR error message?
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Author Comment

by:IBISKA
ID: 33673742
It is happening for several different people from different domains. As far as I know they are not getting any NDR messages. one was from a netscape.com email, others are from private domains, one was from Rogers.com. All the addresses in question are also on the senders whitelist in GFI.  
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LVL 53

Expert Comment

by:Will Szymkowski
ID: 33673799
Try using http://www.mxtoolbox.com/ and see if you domain comes up blacklisted.
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Author Comment

by:IBISKA
ID: 33673816
I have already checked and we are not on any blacklists.
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Assisted Solution

by:Alan Hardisty
Alan Hardisty earned 500 total points
ID: 33674184
If the mail is not hitting GFI or your Exchange server then it is not getting to you, or being filtered before it gets to GFI.

Please check your domain on www.mxtoolbox.com/diagnostic.aspx and check to see if your MX record is pointing to where you think it should be pointing.

Do you use a 3rd party spam service or does mail arrive directly to your server?
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Author Comment

by:IBISKA
ID: 33674503
Hi Alan,

We are not going through any 3rd party spam filter.
I went to that site and ran it.  It all came back ok as far as I can tell.

220 owa.company.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at Tue, 14 Sep 2010 13:06:36 -0400


 Not an open relay.
 0 seconds - Good on Connection time
 5.398 seconds - Warning on Transaction time
 OK - 209.112.47.41 resolves to owa.company.com
 OK - Reverse DNS matches SMTP Banner

Session Transcript:
HELO please-read-policy.mxtoolbox.com
250 owa.company.com Hello [64.20.227.133] [78 ms]
MAIL FROM: <supertool@mxtoolbox.com>
250 2.1.0 supertool@mxtoolbox.com....Sender OK [62 ms]
RCPT TO: <test@example.com>
550 5.7.1 Unable to relay for test@example.com [5054 ms]
QUIT
221 2.0.0 owa.company.com Service closing transmission channel [78 ms]


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Accepted Solution

by:
IBISKA earned 0 total points
ID: 33702304
So it turns out it was a rule on the ISA that was blocking the mail from coming in.  THanks for the help everyone.
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LVL 76

Expert Comment

by:Alan Hardisty
ID: 33702432
http:#a33674184
"If the mail is not hitting GFI or your Exchange server then it is not getting to you, or being filtered before it gets to GFI."
You had not mentioned that you had ISA server - which would have been useful to know and may have resulted in an earlier resolution.

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Author Comment

by:IBISKA
ID: 33702499
My bad your right i should of mentioned that.
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