-DOUPDATE or -LU command forces Command line email tool to check for updates whenever it is executed.
By default Command line email checks for updates automatically once a day. The check is performed upon febootimail execution. Information message is shown in the console, if new version is available. Also, Update window is shown.
C:\>febootimail -SERVER smtp.server.com -FROM email@example.com -TO firstname.lastname@example.org -TEXT Send mail and force update check -DOUPDATE
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