Implement mailer and add welcome email for POP account

helpers/config.go

@@ -22,6 +22,15 @@ type Config struct {
 	}
 	Authelia struct {
 		UsersLocation string `env:"AUTHELIA_USERS_LOCATION"`
+		ResetURL      string `env:"AUTHELIA_RESET_URL"`
+	}
+	Mail struct {
+		Host        string `env:"MAIL_HOST"`
+		Port        int    `env:"MAIL_PORT"`
+		Username    string `env:"MAIL_USERNAME"`
+		Password    string `env:"MAIL_PASSWORD"`
+		FromName    string `env:"MAIL_FROM_NAME"`
+		FromAddress string `env:"MAIL_FROM_ADDRESS"`
 	}
 }