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Webmail Problem: Horde error code 535, response: Incorrect authentication data

Posted on 2007-08-10
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Last Modified: 2013-11-30
We have a new linux server that users cPanel 11 and is running Horde.  Every time that a newly composed message from Horde is sent the following error is displayed.

There was an error sending your message: authentication failure [SMTP: Invalid response code received from server (code: 535, response: Incorrect authentication data)]

Horde does accept new messages, and every other function seems to work properly.

Any ideas on this one?
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Question by:terabit_ca
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Jan Springer earned 2000 total points
ID: 19674104
Is this server requiring SMTP AUTH and is Horde sending it?
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by:cancunclam
ID: 24810706
I have the same problem what can I do. ???
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