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How to Add or Modify SMTP User Authentication in GroupMail

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Most outgoing email servers require that you use SMTP User Authentication when configuring your email client. This information tells them that you are authorized to use their outgoing SMTP mail server to send email and that it is okay for … Read More

Tags: 535 error, authentication types, How to add or modify SMTP authentication, SMTP Authentication error, SMTP Authentication in GroupMail, SMTP Authentication options
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