Mobile Outlook authentication error

zstergios

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Jul 12, 2013
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Hi,
in last 2 days I'm getting complains that Outook in mobile does not work for them.
On default client and thunderbid it works.


My settings:
- Removed -

Cipher Suite
Code:
ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:!DSS
The error: Please check your username password (can't connect)

Any ideas how to fix it?
 
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zstergios

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Jul 12, 2013
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Solved.

I had set to "blacklisted" the US via cpHulk. I set it to no specified and worked

It supposed that it blocks USERS that conntected THROUGH USA IP, right?

Please consider to investigate this issue
 

zstergios

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Jul 12, 2013
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Yes this the right logic.
But users are from Greece. I tried it myself.

Seems Outlook connected to IMAP from their servers and not directly from the APP
 

zstergios

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Jul 12, 2013
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No, I don't think so, I never had ISP issues.

Yes I know but if my theory it's correct then IMAP password is stored on Microsoft's servers and not localy
 

judi08

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Oct 19, 2019
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I am experiencing this same issue of the Outlook application on my Samsung Galaxy phones. I first encountered the issue when I updating my Outlook account on my mobile phone at that time I faced an error with it, which is outlook error 0x800ccc0e. Due to the authentication issue. Please explain how do I fix the error.
 
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cPanelLauren

Forums Analyst II
Staff member
Nov 14, 2017
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I am experiencing this same issue of the Outlook application on my Samsung Galaxy phones. I first encountered the issue when I updating my Outlook account on my mobile phone at that time I faced an error with it, which is outlook error 0x800ccc0e. Due to the authentication issue. Please explain how do I fix the error.
In the previous case they had blacklised specific IP's in their cPHulk implementation - if this is something you had done then you'd need to remove the blocks to resolve the error