Answer:
The program in Python is as follows:
sentence = input("Sentence: ")
words = len(sentence.split())
print("Words:", words)
Explanation:
This reads the sentence for the user
sentence = input("Sentence: ")
This counts the number of words
words = len(sentence.split())
This prints the number of words
print("Words:", words)
The answer is SMTP (Simple Mail Transfer Protocol)
SMTP is a TCP/IP protocol used in sending and receiving emails. This service is usually used with two other protocols, IMAP or POP3. Most email systems nowadays used SMTP to send messages from one server to another. Generally, an SMTP is used to send messages from a mail client to a mail server.
