Initial release

src/Rules/LeadMailVerify.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace LeadM\LeadMail\Rules;
+
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+use LeadM\LeadMail\LeadMailClient;
+
+class LeadMailVerify implements ValidationRule
+{
+    public function __construct(
+        protected readonly LeadMailClient $client,
+        protected readonly bool $allowDisposable = false,
+    ) {}
+
+    public function validate(string $attribute, mixed $value, Closure $fail): void
+    {
+        if (! is_string($value) || ! filter_var($value, FILTER_VALIDATE_EMAIL)) {
+            $fail('The :attribute must be a valid email address.');
+
+            return;
+        }
+
+        try {
+            $result = $this->client->verifyEmail($value, $this->allowDisposable);
+
+            if (! ($result['data']['valid'] ?? true)) {
+                $reason = $result['data']['reason'] ?? 'verification failed';
+                $fail("The :attribute email address is not deliverable ({$reason}).");
+            }
+        } catch (\Throwable) {
+            // Fail open — if the verification service is down, allow the email through
+        }
+    }
+}