Invalid HELO name (wodSmtp)

by Stu, (5272 days ago)

I'm seeing this message returned from certain email addresses:
DISCONNECTED Access denied - Invalid HELO name (See RFC2821 4.1.1.1)

The sending code is:
wodsmtp.SendTextHtml emailaddr , SendTo, subject, , Message
Do
DoEvents
Loop Until wodsmtp.State = Disconnected

Is this something we can fix fromn our side?
Thanks

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