To set Optimum, you should be aware of the correct Optimum outlook settings. The server name in both the "Incoming mail server" and "Outgoing mail server" fields should be the same. Your email address should end in "@optonline.net" or "@optimum.net.” Ensure you are using the correct Optimum username and password. Incorrect username and password will restrict you from accessing your Optimum email account. For further help on Optimum SMTP server settings, the users can take assistance from our Optimum techies. They shall provide you with the correct SMTP settings.

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