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Error 553

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When sending email, if you receive a 553 "Unable to verify address" address error, this usually indicates a configuration setting in your mail client is not set correctly.

This error is usually a result of your email client not correctly authenticating with the mail server. This is only a small issue and can quickly be rectified.
  • Make sure you are using your full email address, for example: example@domain.com
  • Make sure you have enabled the setting "My server requires authentication"
  • Double-check all settings within email client.

The settings should be as follows:
  • Incoming Mail Server - mail.domainname.com
  • Outgoing Mail Server - mail.domainname.com
  • Username - your full email address
  • Make sure "My SMTP server requires authentication" is enabled

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