Gmail to SM - email not delivered.
Problem reported by Muthunallu Raja G - June 30, 2017 at 10:10 AM
Please anyone have you ever faced this error below. Am facing this issue now, any clue to resolve this issue please ?
Gmail to Smartermail (13.x) is not working where as SM to Gmail delivered properly.
Should i check Domain hosting part or internal server 
Error message below:
"Message not delivered:
Your message couldn't be delivered to because the remote server is misconfigured. See technical details below for more information.
The response was:
550 Please turn on SMTP Authentication in your mail client. []:33365 is not permitted to relay through this server without authentication."

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Are you using an e-mail client like Outlook and Thunderbird? Can you send to any e-mail address (not just your SM domain)? The error looks like your workstation is trying to send from google; but did not "log in" or have a stored password, so google's servers see it as just impersonation (not a valid user actually logged in) and shut it down because of the likelihood that all impersonation is spam.

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