v2.10.3

• fix: IMAP correctness, POP3 safety, and server lifecycle improvements 7b9c04e
• perf(sqlite): VACUUM INTO safety guards, temp DB LRU, debounce reduction 9dea8b2
• fix: correct case-insensitive flag comparison in get-forwarding-configuration 426f4cf

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v2.10.2...v2.10.3