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Outlook - Sending' reported error (0x800CCC80)
Question asked by PennineNick - December 18, 2014 at 7:31 AM
Unanswered
Hello.
 
Our clients have started to report that Outlook is throwing an error when trying to send emails through our server:
Sending' reported error (0x800CCC80)
'None of the authentication methods supported by this client are supported by your server.'
 
Anyone any clue what might be causing this.  I was going through our settings checking them against Bruces latest anti-spam settings when this apparently started, but fixing it has baffled me.
 
We're on SmartMail v13.1.5451
 
Many thanks ....
 
Nick.

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John Marx Replied
December 18, 2014 at 7:49 AM
Microsoft has information regarding that error along with fixes.
 
 
One other solution I found is:
 
Goto Tools,
Then Goto Account settings,
Select E-mail Tab,
Select your account,
Then click on Repair,
Click Next,
In Internet E-mail Settings,
Select More Settings,
In Outgoing Server tab deselect all the check boxes or provide correct user name and password.
Then click OK,
Then click Next,
Finally click Finish.
 
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PennineNick Replied
December 18, 2014 at 8:07 AM
Thanks for your reply John.  Already tried that.  I later found that in SmarterMail while going through some settings earlier I had inadvertantly checked the box "Disable AUTH LOGIN method for SMTP authentication" on the SMTP_IN protocol settings.  Unchecking this seems to have fixed that error.

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