550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)

550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)

HI,

I am getting following error in the outlook while sending the email:

550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1)

What to solve this?

Thanks

View Answers

September 3, 2014 at 12:22 PM

Hi,

This error is coming as you are trying to send the email without authentication.

Open outlook and then navigate to

Go to Tools > Services (or Tools > Accounts

Then choose the "Properties." Then go to the "Servers" tab

Then check "My server requires authentication" under Outgoing Mail Server. Then press "OK" and close the settings windows.

Now you outlook will use the authentication for sending the email and you won't get the error again.

Thanks









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