email - What happens inbetween SMTP and POP3? - Server Fault
Nutshell: SMTP/IMAP/POP3. In one line: SMTP is for sending mails… | by Mayank dixit | Nut-shell | Medium
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Lecture 4/12/2006 Basic Steps of Email Transaction A sender sends an e-mail to a recepient through a re-laying SMTP server. The recepient gets the e-mail from the receiving SMTP server either through IMAP, POP3 or a shared file system. Any combination ...