diff --git a/content/kontakt/01-kontaktskjema.php b/content/kontakt/01-kontaktskjema.php
index 710d749..570c496 100644
--- a/content/kontakt/01-kontaktskjema.php
+++ b/content/kontakt/01-kontaktskjema.php
@@ -143,7 +143,10 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['contact_form_submit']
 
                     $mail->SetSender([$smtpConfig['from_email'] => $smtpConfig['from_name']]);
                     $mail->AddRecipient([$smtpConfig['to_email'] => $smtpConfig['to_name']]);
-                    $mail->AddReplyTo([$formData['email'] => $formData['name']]);
+                    // Bare email address only: PHPMailer.Lite doesn't RFC 2047-encode the display
+                    // name, so a name with non-ASCII characters (æ/ø/å) or a comma produces an
+                    // invalid Reply-To header that some mail servers reject outright.
+                    $mail->AddReplyTo($formData['email']);
                     $mail->SetSubject('Ny henvendelse fra kontaktskjema');
                     $mail->SetBodyText($emailBody);