Softecnia

6 September 2018

Solucionar el error 550 Acceso denegado – Invalid Helo name

How to configure the e-mail program properly and solve email rejection by HELO message malformed.

Solucionar el error 550 Acceso denegado – Invalid Helo name
As part of the progressive increase in the security measures of the servers, it will be necessary to review the configuration of your email and activate the following:
  • Activating the check box for My outgoing server (SMTP) requires authentication.
  • Check that the option use same settings as my incoming mail server.

Here is a short description of how to perform this activation for the most common email programs.

To solve error 550 Access denied - Invalid Helo name when sending emails through your mail program, follow the following steps depending on the mail program you are using:

For Microsoft Outlook 2002 or 2003

  • Open Microsoft Outlook 2002 or 2003.
  • Click on Tools
  • Click on Email Accounts.
  • Check the option View or change existing email accounts and click Next.
  • Select your email address and click on Change.
  • Click on More configurations.
  • Click on the Outgoing mail server tab.
  • Check the My outgoing mail server (SMTP) requires authentication is checked.
  • Check that the option Use the same configuration as my inbound mail server is checked.
  • Click on OK
  • Click Next and then Finish.

For Microsoft Outlook 2000

  • Open Microsoft Outlook 2000.
  • Click on Tools
  • Click on Accounts.
  • Click on the Mail tab.
  • Select your email address and click on Properties.
  • Click on the Servers tab.
  • Check the My server requires authentication check box.
  • Click on Settings.
  • Check that Use same configuration as the incoming mail server is checked.
  • Click on OK and then on Apply.

For Outlook Express

  • Open Outlook Express.
  • Click on Tools
  • Click on Accounts.
  • Click on the Mail tab.
  • Select your email address and click on Properties.
  • Click on the Servers tab.
  • Check the My server requires authentication check box.
  • Click on Settings.
  • Check that Use same configuration as the incoming mail server is checked.
  • Click on OK and then on Apply.

For Windows Live Mail

  • Open Windows Live Mail.
  • Right-click on your email address in the left panel and click Properties.
  • Click on the Servers tab.
  • Check the My server requires authentication check box.
  • Click on Settings.
  • Check that the option Use the same configuration as my inbound mail server is checked.
  • Click on OK

If you use a Mac, you must follow the following steps for the mail program you use on your Mac:

For Mail (Mac OS X 10.4 or higher)

  • Click on Mail.
  • Click on Preferences.
  • Click on the tab Accounts under outgoing SMTP mail server and click on Server configuration.
  • Verify that the outgoing mail server and the server port information are correct.
  • Check that the Use Secure Sockets Layer (SSL) option is disabled.
  • Check that your Username and Password are correct.
  • Click on OK

For Mac Outlook Express

  • Click on Tools
  • Click on Accounts.
  • Click on the Mail tab.
  • Select your email address and click on Modify.
  • Under Outgoing mail click on Click here for advanced server configuration.
  • Select the check box of SMTP Server requires authentication.
  • Select Start session with and enter the following information.
  • In the Account ID field, enter your full email address. Ex: yourname@yourdomain.com
  • In the Password field, enter the password of your email address previously indicated.
  • Click on Save password.
  • Click on OK in the Edit Account window to save the configuration.

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