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Windows Live Mail

Unable to send with smtphm.sympatico.ca, error 0x80070057

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Archived post from April 22, 2018. Product: Windows Live Mail – no longer developed by its maker. Details may be out of date.

Question asked on Apr 22, 2018

My Windows Live Mail will receive emails but has stopped sending emails as of April 18/18.  What could be wrong?  I am running Windows 10.  The following is the error message I receive.

An unknown error has occurred.

Server: 'smtphm.sympatico.ca'
Windows Live Mail Error ID: 0x80070057
Protocol: SMTP
Port: 25
Secure(SSL): Yes

[Original subject: Windows Live Mail problems]

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