Are you getting the following error while mailing from OUTLOOK 2007
Cannot send the message. Verify the e-mail address in your account properties.
The server responded: 550 Access denied – Invalid HELO name
Enabling “My outgoing server requires Authentication” option will fix the issue
Following are the steps in enabling that
Step 1 : Open your Outlook
Step 2 : Tools –> Account setting
Step 3 : Move to Email tab —> select the relevant Email account then click change
Step 4 : Click at more setting
Step 5 : Choose Outgoing server tab — >Check My outgoing Server(SMTP) requires Authentication option
Step 6 : Also select “Use same settings as my incoming mail server”
Step 7 :Complete the procedure by clicking Ok–> Next–>Finish
Try mailing now.
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