What is error: 550 Your HELO string is incorrect ?
Saturday, March 10, 2007

We commonly hear "What is error: 550 Your HELO string is incorrect" ?

To fix this in Outlook, you must check the box "My outgoing server (SMTP) requires authentication.

posted by AbsoluteRaleigh @ 9:48 PM,

1 Comments:

At 4:07 AM, Blogger Jan Krohn said...

This solution works! Thanks!! :-)

 

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