Error Code 0x80040217

How To Fix SMTP Error Code 0x80040217?

The Error code 0x80040217 is a Gmail SMTP error. This error occurs only when the Gmail security settings are changed, and the SMTP servers will start rejecting the mails due to false usernames, domain name, and other unauthorized settings.

The main causes of the SMTP error are:

  • Step 1:Wrong domain and password
  • Step 2:Invalid email address for Gmail
  • Step 3:Differed settings in the SMTP server
  • Step 4:Unauthorized configurations in the Server

The above causes will result in the following symptoms:

  • Step 1:You won’t have access to incoming emails and also won’t be able to send emails.
  • Step 2:You won’t be able to access your webmail account.
  • Step 31:The emails you send will be spammed.
  • Step 4:Error code continues to appear.

The section below will help you with some simple troubleshooting steps to resolve the SMTP error code 0x80040217.

  • Step 1:Make sure you have entered the correct login credentials.
  • Step 2:Check if you have the email address entered correctly.
  • Step 3:Check whether the Caps Lock is not on while typing the password.
  • Step 4:Make sure the SMTP server configuration is correct.
  • Step 5:You have to verify the server configuration with the NT LAN Manager (NTLM).

The SMTP configuration for Gmail is as follows:

  • Step 1:SMTP username: Your Gmail email address.
  • Step 2:SMTP password: Your Gmail login password.
  • Step 3:SMTP server address:
  • Step 4:Gmail SMTP port (TLS): 587.
  • Step 5:SMTP port (SSL): 465.
  • Step 6:SMTP TLS/SSL required: yes.
  • Step 7:One final step is to check if you have a proper internet connection.
  • Step 8:Verify if the wireless configuration is appropriate if you are using a router.

The steps given above are more than enough to help you fix the Gmail SMTP error code 0x80040217.

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