email

app/Notifications/AnnotazionePubblicaApertaDa.php

 use Illuminate\Notifications\Messages\MailMessage;
 use Illuminate\Notifications\Notification;
 use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
 
 class AnnotazionePubblicaApertaDa extends Notification implements ShouldQueue
 {
-    use Queueable, InteractsWithQueue;
+    use Queueable, InteractsWithQueue, SerializesModels;
 
     public function __construct(
         protected Segnalazione $segnalazione,

config/mail-tracker.php

     'tracker-queue'             => null,
 
     /**
-     * Size limit for content length stored in database
+     * Size limit for content length stored in database (bytes/chars).
+     * sent_emails.content is longText; keep a cap to avoid unbounded rows.
      */
-    'content-max-size'          => 65535,
+    'content-max-size'          => 16777215,
 
     /**
      * Length of time to default past email search - if set, will set the default past limit to the amount of days below (Ex: => 356)

database/migrations/2026_09_08_235100_change_sent_emails_content_to_longtext.php

+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        if (! Schema::hasTable('sent_emails') || ! Schema::hasColumn('sent_emails', 'content')) {
+            return;
+        }
+
+        Schema::table('sent_emails', function (Blueprint $table) {
+            $table->longText('content')->nullable()->change();
+        });
+    }
+
+    public function down(): void
+    {
+        if (! Schema::hasTable('sent_emails') || ! Schema::hasColumn('sent_emails', 'content')) {
+            return;
+        }
+
+        Schema::table('sent_emails', function (Blueprint $table) {
+            $table->text('content')->nullable()->change();
+        });
+    }
+};