#Email Protocols

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March 3rd, 2026

What Does POP3 Mean? POP3 Protocol Explained in Plain English

Learn what POP3 stands for, how the POP3 protocol works, which ports it uses, and when POP3 still makes sense versus IMAP.

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March 3rd, 2026

What Does IMAP Mean? IMAP Protocol Explained in Plain English

Learn what IMAP stands for, how the IMAP protocol works, which ports it uses, and when IMAP is the right mailbox model versus POP3.

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March 3rd, 2026

Email Protocols Explained: SMTP, IMAP, POP3, and Where APIs Fit

Learn the main email protocols, what SMTP, IMAP, and POP3 each do, and how to choose the right send, receive, and sync model for apps, support, QA, and product email.

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March 3rd, 2026

IMAP vs POP3: Differences, Sync Behavior, and Which Protocol to Use

Compare IMAP vs POP3, understand where SMTP fits, and choose the right protocol for synced inboxes, offline access, and test environments.

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