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SMTP Problem ---This is urgent!

By toyfem ·
I can receive mails from anywhere in the internet. But when I send mails out it will remain in the queue for a while and return delay errpr mesage after which it will return a non-delivery error message after a two days. Check out this example:

Your message did not reach some or all of the intended recipients.

Subject: Good
Sent: 3/3/2004 5:52 PM

The following recipient(s) could not be reached:

'sakintade@hotmail.com' on 3/5/2004 6:07 PM
Could not deliver the message in the time limit specified. Please retry or contact your administrator.
<bank-mailserver.neximbank.com.ng #4.4.7>

please who knows how to go about this problem.

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by pierrejamme In reply to SMTP Problem ---This is u ...

Just a guess, but 'sakintade@hotmail.com' may have a full mailbox.. The main reason people don't use "Free" email is because they have box limitations. I would call them (telephoe)and see if they can receive mail at all.

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by toyfem In reply to

The mailbox is not full and no mailbox limitation is exceeded.

don't think we are there yet.


Thanx 4 ur response.

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by CG IT In reply to SMTP Problem ---This is u ...

did you run the telnet test for exchange to verify port 25 is available and exchange is listening?

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by toyfem In reply to

Yes port 25 is open. I can receive mails from anywhere in d internet. But SMTP cannot connect to remote servers. The mails just hang in the queue.

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by johnj In reply to SMTP Problem ---This is u ...

Check your DNS settings. It looks as though your mail server cannot resolve domain names. Can you surf the internet using a browser on that server?
If your MX internet address is hosted off site, check with your internet host to make sure their DNS is working properly.

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by gperrie In reply to SMTP Problem ---This is u ...

Can you do an nslookup on the server to resolve DNS entries?

And can you telnet on port 25 from the server to another server? If you can receive then it isn't a problem coming in but maybe the firewall rules are different for outgoing traffic?

Also, do you have the headers from the delivery failure?

Gav

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