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Error: An unknown error occurred connecting to the SMTP server

What's Causing This Error

This error suggests that the email client did not connect successfully with the server. It can be due to various issues such as:

  • Network connectivity interruptions.
  • Incorrect client configuration.
  • Incorrect user account.
  • Disabled user account.

Solution - Here's How To Resolve It

The user can gain more details by identifying the issues in the error message. To resolve the most common causes of this error, follow these steps:

  1. Ensure the client has stable and uninterrupted network connectivity.
  2. Ensure the client configuration is accurate and the SMTP server supports the specified parameters including but not limited to the encryption mechanism and ports.
  3. Ensure that the user account is valid and active.

Other Common SMTP Errors (and Solutions)

View all errors

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