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User cannot send or recevie external email

Posted on 2008-06-23
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Last Modified: 2013-11-22
Greetings,
I have one user out of 300 that can not send or recive external email.
I sent him a test message from an external account and I get a reply from our mailer daemon--The message that you sent was undeliverable to the following: dstter@[192.168.1.5] (user not found)

Any ideas

Thanks
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Question by:Smaxon
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by:war1
war1 earned 120 total points
ID: 21850398
Hello Smaxon,

Can user send or receive internal emails? Are you using Outlook?  What version? Do you use IP address for recipient or domain name?

1. Register an important send/receive library file.  Go to Start > Run and type regsvr32 inetcomm.dll

2. Check if antivirus email check is slowing sending and receiving.  Disable it. Check if other programs running in the background is interfering. Disable one at a time the Firewall, antispyware, antispam, and all Norton programs.

3. In the account settings, Advanced settings, change the server timeout time from 1 min to 5 min

4. Check if outgoing mail server authentication is required. Select that option in account settings and use same settings as incoming server

5. Your ISP may be blocking port 25. Try using alternate port 587.

If no joy, you need to use your ISP SMTP server to send out emails.

6. Create a new Outlook profile.
http://www.outlook-tips.net/howto/profile.htm

7.  Check with email provider Tech Support to determine if server is having trouble.

Hope this helps!
war1
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Accepted Solution

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Smaxon earned 0 total points
ID: 21857435
Its group wise 7.0.1, and I went into the nds and tried everything I could think of then I changed his username to his full name and it worked for some odd reason.
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LVL 97

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by:war1
war1 earned 120 total points
ID: 21857509
Smaxon, glad the problem is fixed.
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