550 Access denied Invalid HELO name
If you’re getting this error when sending out email. Please double check your email setting to use the following
For outlook
Click Tools then E-mail Accounts…
Select “View or change existing e-mail accounts” and click Next
Select the email account and click Change
Click on “More settings”
Select “Outgoing Server” tab
Tick “My outgoing server (SMTP) requires authentication”
Select “Use same settings as my incoming email server”
Click Ok
Press Next
Lastly, press Finish
Once these steps are done, try to send the email again. Contact us if the problem still persist.