salve a tutti
ho un problema con il mio primo sito.. Ho creato una pagina contatti in cui ho inserito una form mail semplice per far inviare messaggio di posta. Il problema è che sicuramente ho fatto alcuni errori; infatti cliccando invia mi si apre questa pagina che recita così: (qualcuno può aiutarmi?)

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HTTP Error 404 - File or directory not found.
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