Correspondence transmitted via which means holds the same authority as the original?

The means of correspondence that holds the same authority as the original is one that ensures authenticity and integrity of the transmitted document. A facsimile machine, or fax, is recognized because it transmits a direct copy of the original document, preserving not only the content but also the formatting and signatures present. This makes it legally equivalent to the original in many contexts, such as in legal and official communications.

In contrast, while email and postal mail serve as valid forms of correspondence, they do not inherently guarantee the same level of authenticity as a fax. Emails can be altered or spoofed before reaching the recipient, and postal mail could be delayed or tampered with during transit. Digital signatures provide a method for verifying the identity of the sender and the integrity of a document but still depend on the underlying technology for transmission, which might not be universally accepted like a fax is. Thus, the facsimile machine stands out as the method that carries the same authority as the original document.