In linux, explain how email flow works, from the time you send an email until it is received by your friend, in terms of SMTP protocal and IMAP/POP3?
Answer
Your email client sends outgoing mail via SMTP to port 25 of MTA (mail transfer agent) on remove server. This MTA mail transfer can go on between server to server until mail gets to destination machine. On destination server/machine, POP3/IMAP service is running on ports 110/143 that your friend's mail client can connect to to retreive email.
Question
In linux, explain how email flow works, from the time you send an email until it is received by your friend, in terms of SMTP protocal and IMAP/POP3?
Answer
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Question
In linux, explain how email flow works, from the time you send an email until it is received by your friend, in terms of SMTP protocal and IMAP/POP3?
Answer
Your email client sends outgoing mail via SMTP to port 25 of MTA (mail transfer agent) on remove server. This MTA mail transfer can go on between server to server until mail gets to destination machine. On destination server/machine, POP3/IMAP service is running on ports 110/143 that your friend's mail client can connect to to retreive email.
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30. exim and sendmail il wherever you see it--there are at least three MTAs that are preferable to sendmail . I explain the minimum of what you need to know about sendmail later on and explain exim in detail. 30.1.1 <span>How mail works Before we get into MTA configuration, a background in mail delivery and indexii MX recordDNSMX record handling is necessary. The sequence of events whereby a mail message (sent by a typ
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