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Email receipt problems

Posted on 2006-07-24
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Last Modified: 2010-03-06
- I have a user (company A) that is not receiving external emails from a contact at a different company (company B).
- Emails sent from company A to company B are received ok but when person replies to the email from company B, it's not received by the user at company A.
- I am able to receive emails ok (company A) from the person at company B ok.
- Emails from company B are being sent to external yahoo account and are received ok but when trying to forward to work email (company A) they are not received.
- Sent a test email from external yahoo account to users work email (company A) and the email is received ok.
- Already disabled all SPAM email traffic for the user's profile but still no receipt of email.
- Safe sender receipt (whitelist) already set on server by domain and also on users computer.

- Exchange Server 2003 SP2
- Outlook 2003
- iHateSPAM software on server

Originally I thought the issue might be with reverse dns but we already took the necessary precautions.
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Question by:abansal97
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8 Comments
 
LVL 9

Expert Comment

by:Exchgen
ID: 17170462
Try the steps below and let me know what happens;

get in to your exchange 2003 box. Open command prompt and start typing;

telnet localhost 25
ehlo mail.companyb.com
mail from: user@companyb.com
rcpt to: user@companya.com (issue user)
data
from: user@companyb.com
to: user@companya.com
subject: test message via telnet

test message via telnet

. (end conversation with a period to deliver the message)

Note: anything within brackets is for your information.

Let me know if the user gets the email.

Raghu
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Author Comment

by:abansal97
ID: 17170704
I could not even complete step 1, this is the error I received:

telnet localhost 25
Connecting to localhost...Could not open connection to the host, on port 25: Connect failed

Internal / External Email working, Internet working
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LVL 9

Expert Comment

by:Exchgen
ID: 17170900
eeeks....

if you are running exchange 2003 on windows 2003 run

netstat -ano
get the pid number of process listening on port 25.
if its anything but inetinfo.exe
turn that off.

If you have mcafee client AV on the box, it has block spam on port 25, uncheck it then you should be able to telnet...

Raghu
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Author Comment

by:abansal97
ID: 17171149
Did not see anything mentioning inetinfo.exe but here are the PID results for port 25:

Listening 428
Time_Wait 0
Closing 428
Established 428

We don't have mcafee client AV on the machine.

Do you need any of the IPs that this information relates too?

I can run telnet now and did the instructions that you provided.  The user received the email ok after about 30 seconds after sending it.

* Think we're getting closer to a final resolution.......
0
 
LVL 9

Expert Comment

by:Exchgen
ID: 17171237
30 seconds!!!!!!!!!! ieeeksss...

Thats not normall...

we need to know if the email is acctually hitting your environment...

Can you check logs under ihatespam for this user?

and you didn't tell me what AV you have in this box...

Raghu
0
 

Author Comment

by:abansal97
ID: 17171377
Maybe not quite 30, more like 25 but I guess this is still a little slow.

Unfortunately, we had turned trace filtering off so there is no logs, unless there are others that I am unaware of in iHateSPAM.

We don't have a real solid AV software yet on the machine as we rely on filtering done through hardware.

Richard
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LVL 9

Accepted Solution

by:
Exchgen earned 2000 total points
ID: 17171691
Ohh....

Barracuda i guess...

Enable SMTP logging on default smtp virtual server/general..

Enable message tracking on server properties.

Restart SMTP / routing engine services.

Have the other party send email.. Try tracking the message and also try looking for any communication from remote server in the smtp log.

Raghu


0
 

Author Comment

by:abansal97
ID: 17172406
How do I exactly do all the above that you suggested?  Is all that in the System Manager program on the Exchange server?

Listing of hardware equipment of which are all Netopia:

Broadband Gateway Cayman 3500
R9100 EN-WAN Router
Regular DSL Router

Thanks again, Richard
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