WebAn example of the use of ports is the delivery of email. A server used for sending and receiving email generally needs two services. The first service is used to transport email to and from other servers. This is accomplished with the Simple Mail Transfer Protocol (SMTP). A standard SMTP service application listens on TCP port 25 for incoming ... WebNov 14, 2024 · Simple Mail Transfer Protocol (SMTP) is used to send emails from a local client to a recipient’s address. It works side-by-side with a software called Message …
Understanding Email Protocols: POP3, IMAP, and SMTP
WebMay 8, 2016 · Sorted by: 52. IMAP is a mailbox protocol. It does not (natively) support sending mail, only accessing it. In order to send mail you must use SMTP. Its possible that there is an IMAP extension for sending mail, and its possible that Google Mail supports that extension, but I doubt it. Hence, if you want to send an email with attachments, you ... WebAug 20, 2009 · All e-mail is sent using SMTP. This is covered in the following RFC 821.. POP3 is a retrieval protocol only and covered in RFC 1939. IMAP is the same and covered … manitoba doppler radra
Explain POP, SMTP and IMAP protocols - careerride.com
WebThe most current version of the standard POP protocol is POP3. There are, however, a variety of lesser-used POP protocol variants: APOP — POP3 with MDS authentication. An encoded hash of the user's password is sent from the email client to the server rather then sending an unencrypted password. KPOP — POP3 with Kerberos authentication. WebEmail Protocols. There are three common protocols used to deliver email over the Internet: the Simple Mail Transfer Protocol (SMTP), the Post Office Protocol (POP), and the Internet Message Access Protocol (IMAP). All three use TCP, and the last two are used for accessing electronic mailboxes. Special records stored in DNS servers play a role as well, using UDP. WebThe SMTP protocol is a text-based protocol that is composed of commands and replies. The SMTP client (Bob’s mail server in our case) sends SMTP commands whereas the … manitoba doppler radar