Networking - Define SMTP

Define SMTP.

- Simple Mail Transfer Protocol, a protocol for sending e-mail messages between servers.
- It uses the TCP port 25 by default.
- SMTP is used to send and receive mail messages by the electronic mail servers and other mail transfer agents.
- They are also used by the user-level client mail applications for sending messages to a mail server for relaying.
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What is a MAC Address? - MAC (Media Access Control) addresses are globally unique addressed that are written into hardware at the time of manufacture.........
Networking - MAC vs. IP Addressing
MAC vs. IP Addressing - Whereas MAC addressing works at the data link layer, IP addressing functions at the network layer (layer 3).........
Networking - Define Spanning-Tree Protocol (STP)
Define Spanning-Tree Protocol (STP) - Spanning-Tree Protocol (STP) as defined in the IEEE 802.1D is a link management protocol that provides path redundancy........
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