Networking Essentials / Ports and protocols
Lesson 21 of 30
Email protocols
SMTP sends email between servers. IMAP and POP3 fetch it into your mail app. SPF, DKIM and DMARC help prove an email really came from the domain it claims.
Key points
- SMTP sends
- IMAP syncs, POP3 downloads
- SPF/DKIM/DMARC fight spoofing
Quiz · +10 XP
Which protocol sends email between servers?
Log in to save progress and earn XP.