Learner's definition of SOLE. always used before a noun. 1. : only or single. He became the sole heir to the property. the sole owner. The sole aim/objective/purpose of the program is to help the poor. She was the sole survivor of the tragedy. Icy roads were the sole cause of the accident. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples
Dead letter mail or undeliverable mail is mail that cannot be delivered to the addressee or returned to the sender.ith increased collection and study of the postal markings originating from such offices, the body of literature on this obscure topic may grow. Many countries, including Canada and the United States, have issued special labels for envelopes that have travelled through the dead letter office.
Being a non-standard attachment format, users from other e-mail clients (like Thunderbird or Lotus Notes) or platforms (like Android, Apple, iPad or iPhone) cannot natively read them. An e-mail containing an winmail.dat attachment looks like an empty e-mail with only one attachment. The original e-mail information like subject, body and attachments is packed into a single winmail.dat file, which in some cases also receives a generic name like ATT00001.dat or ATT00005.eml. Winmail.dat Reader is the only free application that decodes not only the embedded attachments but also the subject and body.