mail.smtp.user Background The username used to authenticate against the mail server when mail.smtp.auth is set true. Setting the key Set this configuration key in the server configuration. Use the configuration key editor to add or edit the mail.smtp.user key, and set the value. This can be set to any valid String value. Default value mail.smtp.user= No default exists for this option. Examples To set a username of bob: mail.smtp.user=bob See also Specify if the mail server requires authentication. (mail.smtp.auth) Specify the hostname of the mail server to use. (mail.smtp.host) Specify a password when authenticating with the mail server. (mail.smtp.password) Specify the port of the mail server. (mail.smtp.port)