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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.
Trunks are the lines that run between (A) subscribers and exchange (B) switching system and power plant (C) Local Area Network (D) switching syste
what is inheritence and all types in java?
Explain network security. Network security means the security of networks and their services from unauthorized access, changes, destruction or disclosure. It gives for assuranc
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Mobile cameras are characteristically low-resolution Digital cameras integrated in mobile set. Photographs are characteristically only good enough to show on low resolution mobile
Use as few gates as possible, design a NAND-to-AND gate network that realize the following Boolean algebra expression. A'BC'D + ABC'D' + A'B'CD' + AB'C'D'
source code for IMPLEMENTATION FOR ELECTROMAGNETIC INDUCTION
By default, this page is quite barren. Though, go explore the Query Page some more; you will search that you can store numerous queries on the server, so if you regularly run a cer
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