Improvements to working out region for new addresses, Bounce netmails to a invalid address (that we would host)

app/Notifications/Netmails/NetmailNoDestination.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Notifications\Netmails;
+
+use Illuminate\Support\Facades\Log;
+
+use App\Notifications\Netmails;
+use App\Models\Netmail;
+use App\Traits\{MessagePath,PageTemplate};
+
+class NetmailNoDestination extends Netmails
+{
+	use MessagePath,PageTemplate;
+
+	private const LOGKEY = 'NND';
+
+	private Netmail $mo;
+
+	/**
+	 * Send a sysop a message if they give us a message with a bad address in it.
+	 *
+	 * @param Netmail $mo
+	 */
+	public function __construct(Netmail $mo)
+	{
+		parent::__construct();
+
+		$this->mo = $mo;
+	}
+
+	/**
+	 * Get the mail representation of the notification.
+	 *
+	 * @param mixed $notifiable
+	 * @return Netmail
+	 * @throws \Exception
+	 */
+	public function toNetmail(object $notifiable): Netmail
+	{
+		$o = $this->setupNetmail($notifiable);
+		$ao = $notifiable->routeNotificationFor(static::via);
+
+		Log::info(sprintf('%s:+ Creating NETMAIL NO DESTINATION netmail to [%s]',self::LOGKEY,$ao->ftn));
+
+		$o->subject = sprintf('Bad destination for netmail [%s]',$this->mo->msgid);
+
+		// Message
+		$msg = $this->page(FALSE,'nodest');
+
+		$msg->addText($this->sourceSummary($this->mo)."\r\r");
+
+		$msg->addText(sprintf("The TO address [%s] in this netmail doesnt exist for the domain [%s].\r\r",$this->mo->get_tftn,$ao->zone->domain->name));
+
+		$msg->addText("This netmail has been rejected and not stored here - so no downstream node will receive it. If you think this is a mistake, please let me know.\r\r");
+
+		$msg->addText($this->message_path($this->mo));
+
+		$o->msg = $msg->render();
+		$o->set_tagline = 'I enjoyed reading your message, even though nobody else will get it :)';
+
+		$o->save();
+
+		return $o;
+	}
+}