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SMTP Server error - I'm running out of ideas

By gm ·
I have a 2 month old wireless network (3 x desktop, 2 x laptop). Last week we were suddenly unable to send email from any computer, we received the following errors:

"The TCP/IP connection was unexpectedly terminated by the server. (Account: <account name>, POP3 Server: <server name> Error Number:0x800ccc0f."

"The connection to the server has failed. Account <account name>, server, <server name>, protocol, port 110, 0x800ccc0E."

We can not send any email. We can still receive email and access the internet. The rest of the network is working correctly.

All the computers are running Windows XP pro. They are linked with a Dell wireless router/ access point which is wired to an ISDN router, connected to the phone lines. We have tried Outlook & Outlook express 2000 & XP

I have tried using different email accounts with different mail servers but have the same problem which makes me believe the problem lies somewhere on the network or each computer.

I have tried using the system restore utility to roll back to a few days before the problem started but this did not work.

I have stopped Norton antivirus from scanning outgoing email and have tried removing it completely from one computer but we still have the same problem.

Nothing has been changed on the network, hardware or software. The only thing that may have been added is a Norton virus update.

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by grant In reply to SMTP Server error - I'm r ...

If you have a mail server with an online access interface eg hotmail, try closing your Outlook and using only your webmail to send and recieve emails as a test. If the mails are sending and recieving fine then you definitely have problem with your internal settings. If not, then you might have issues with your mail server provider.

Alternatively, in Outlook settings, ensure that your Outgoing server (smtp) requires authentication box is ticked. It is possible this might be the culprit, however I dont see why it would be happening to all your pc's in the network...hope some of this helps.

Regards

Grant

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by grant In reply to SMTP Server error - I'm r ...

If you have a mail server with an online access interface eg hotmail, try closing your Outlook and using only your webmail to send and recieve emails as a test. If the mails are sending and recieving fine then you definitely have problem with your internal settings. If not, then you might have issues with your mail server provider.

Alternatively, in Outlook settings, ensure that your Outgoing server (smtp) requires authentication box is ticked. It is possible this might be the culprit, however I dont see why it would be happening to all your pc's in the network...hope some of this helps.

Regards

Grant

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ISP blocks 110 for unknown domain

by Hiro_Protagonist In reply to SMTP Server error - I'm r ...

Your service provider may be blocking port 110 for any domain that they don't provide email for.
ie. you can't POP your earthlink account while dialed up with MSN.
It's an anti-spam measure used by most ISP's.

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SMTP Error

by kwee In reply to SMTP Server error - I'm r ...

Try changeing your outgoing SMTP to your ISP's SMTP settings, i.e. if your where using SBC as a ISP and you have your SMTP set to "mail.yourdomain.com" you would change it to smtp.sbcglobal.net.

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