Opencart Türkiye Destek Sitesi ,E-Ticaret Yazılımı Destek Paylaşım Forumu

1- İletişim formunda mail gönderilince sadece şu kullanıcı size mesaj gönderdi diye mesajı geliyor.
Kullanıcının mail adresi ulaşmıyor.
Bu durumu nasıl düzeltebilirim? Opencart sürümü: 3.0.2.0
2-

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contact.php: https://drive.google.com/open?id=1l3DU8t...wk1aSGgSk9
checkout.php: https://drive.google.com/open?id=1FBLNc-...z6wxKjhSv_
error.php: https://drive.google.com/open?id=1hAhGkc...y5l9GfsHKU
file.php: https://drive.google.com/open?id=1tOiRi2...J8G1tXm1dP