Generally SMTP.
Simple Mail Transfer Protocol, is the technology used to send out email messages. It goes hand in hand with POP (Post Office Protocol) that is, typically, employed for receiving emails from a web server to an email program or an email client.
The protocol commonly used to send email from an email client to a mail server is the Simple Mail Transfer Protocol (SMTP). SMTP is responsible for sending and relaying outgoing emails, allowing clients to communicate with mail servers and route messages to their intended recipients. It operates over TCP, typically using port 25, 587, or 465 for secure connections.
the protocol used for email is simple mail transfer protocol and the layer is transport layer.
IMAP4
Pop3
SMTP (Simple Mail Transfer Protocol)
SMTP (simple transfer mail protocol) which is used as the outgoing mail server and it uses port number :25 POP3 (Post Office Protocol 3) is the most recent version of a standard protocol for receiving e-mail. POP3 is a client/server protocol in which e-mail is received and held for you by your Internet server and it uses port 110
Port 25 (Simple Mail Transfer Protocol)
I assume by 'outgoing letter' you mean an email? If so, then a copy of the email can be found in the Sent folder, found below Inbox.
The email protocol used to send messages between email servers and for email client software to send messages to the server is SMTP (Simple Mail Transfer Protocol). SMTP is responsible for the transmission of email messages but does not facilitate the retrieval of emails from a server. For receiving emails, protocols like IMAP or POP3 are typically used instead.
wich of the followting protocol is used to receive email?
POP (Post Office Protocol) - The protocol that an e-mail server and client usewhen the client requests the downloading of e-mailmessages.