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Suite of protocols for copying files between Unix machines, used for many purposes including the distribution of email. Also allows commands to be sent, which led to the first internet worms. The file transfer protocol within UUCP is the "g" protocol. [101] MODEM7: Mark M. Zeigler, James K. Mills: 1980
The term SFTP can also refer to Secure file transfer program, a command-line program that implements the client part of this protocol. As an example, the sftp program supplied with OpenSSH implements this. [10] Some implementations of the scp program support both the SFTP and SCP protocols to perform file transfers, depending on what the server ...
SMTPS (Simple Mail Transfer Protocol Secure) is a method for securing the SMTP using transport layer security.It is intended to provide authentication of the communication partners, as well as data integrity and confidentiality.
The initiating host, the SMTP client, can be either an end-user's email client, functionally identified as a mail user agent (MUA), or a relay server's mail transfer agent (MTA), that is an SMTP server acting as an SMTP client, in the relevant session, in order to relay mail. Fully capable SMTP servers maintain queues of messages for retrying ...
The comparison of mail servers covers mail transfer agents (MTAs), mail delivery agents, and other computer software that provide e-mail services. Unix-based mail servers are built using a number of components because a Unix-style environment is, by default, a toolbox [1] operating system.
Your email client might prompt you to select either IMAP or POP3. To learn more about the differences between IMAP and POP3, please visit our help article What is the difference between POP3 and IMAP? If you decide to change your configuration from POP3 to IMAP, be sure to save or backup your email to avoid potential loss during the transition.