dead mail

• Почтовые отправления, которые не могут быть доставлены получателю или возвращены отправителю, обычно из-за неправильного адреса, отсутствия информации или неизвестности получателя.

Mail that cannot be delivered to the intended recipient or returned to the sender, typically due to an incorrect address, missing information, or the recipient being unknown.

1. Undeliverable mailB2formal

   Mail that cannot be delivered to the intended recipient or returned to the sender, often due to an incorrect address or other issues.

   Невозвратная почта

   • The post office processes dead mail at a special facility.
   • Letters with no return address often become dead mail.
   • He received a notice that his package was classified as dead mail.