MailKit.Security.AuthenticationException: Authentication failed. Send smtp mail message activity

@kkpatel wrote:

Hi

I am getting the error as below while trying to send email from our client email server. They have provided us some port and server.
Port=25
Server=mail. < > .com ( < >indicates our client name)
Could you please help how to resolve the issue.

Or do we need to change the smtp detail ?

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