The End of the Unified Inbox: Gmail Kills POP3 Fetching and Gmailify in 2026

Google has discontinued Gmail’s POP3 mail-fetching and deprecated Gmailify, pushing users to configure forwarding or switch to alternatives for aggregation. While third-party accounts can still be added via IMAP, they will remain siloed from the primary inbox. The rationale was not explicitly provided, though some speculate (without confirmation) that security concerns around plaintext POP3 authentication played a role.