File Permissions Interview Questions
How to configure Mail Server in Redhat Linux
An email message is created using a mail client program. Mail is digital messaging service and which generally consists of a message body . => These are the most commonly used in the transfer of email Simple Mail Transport Protocols (SMTP-Port 25) delivery from a client application to the server, and from an originating server to the destination server, is handled by the Simple Mail Transfer Protocol ( SMTP ). => Mail Access Protocols POP (Post Office Protocol): -( P ort 110 ) It is an email accessing protocol used to receive mails from a mail server and POP will download all emails from the server to the user’s computer. IMAP (Internet Message Access Protocol):- ( Port 143 ) It is another email accessing protocol however it is used to access the mails from the server.IMAP will synchronize a copy of the mail on the server to the user’s computer. All mail data is kept on the server as well as the user’s computer until they ...
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