Community QuestionSeen on 6 CBTs
SMTP - Simple Mail Transfer Protocol
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Answer
Converts names to IP addresses - udp/53 • www.professormesser.com = 162.159.246.164 These are very critical resources • Usually multiple DNS servers are in production
Alternate answers seen on other CBTs
The same question shows up worded slightly differently across CBT versions. Here are the other answer variants we've indexed.
The protocol used to send mail between hosts on the Internet. Messages are sent over TCP port 25.
Comptia Certmaster Practice For Network+ →A communications protocol that enables sending email from a client to a server or between servers. tcp/25 IMAP, POP3
Dr Messer Comptia →tcp/25, server to server email transfer, also used to send mail from device to a mail server
Professor Messer Network Plus →