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Why Gateways are used during mail transfer?
Email using SMTP effort best while both the sender and the receiver are on the internet and can hold TCP connections in between sender and receiver.
Nonetheless many machines which are not on the internet still need to send and receive email by internet sites. For illustration many companies intentionally eliminate themselves for security purposes.
The other problem occurs while the sender and receiver speak various protocols therefore direct communication is not possible.
Both of such problems are solved by using application layer email gateways.
Explain about the non-repudiation? Non Repudiation: Assurance which the sender is provided along with proof of delivery and which the recipient is given along with proof
Write the applications of Michelson interferometer
Public Key Encryption A cryptographic system that uses two-keys-a public key known to everyone and a private or secret key known only to the recipient of the message. An si
Register Addressing mode - computer architecture: Register Addressing: Register addressing mode is same to direct addressing. Only difference in between is that the addre
What is Public Key Cryptography Public-key cryptography is a form of modern cryptography which permits users to communicate safely without lastly agreeing on a shared secret
What is a Region? A Region is a continuous area of a process's address space (like text, data and stack). The kernel in a "Region Table" that is local to the process mainta
FTP does not use ? FTP doesn't use User Datagram Protocol.
What are the two aspects of locality of reference? Define them. Two aspects of locality of reference are temporal aspects and spatial aspect. Temporal aspect is that a r
What is importance of RAS and CAS in SDRAM? SDRAM acquires its address command into two address words. This uses a multiplex scheme to save input pins. The initial address word
what is distortion
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