v1.50.81 — 2026-08-18

• feat(domains): IMAP spam-trap poll for retroactive quarantine — per-domain configurable dedicated spam-trap mailbox; nmg-scheduler polls it every 15 minutes, trains rspamd as spam, extracts IOCs; processed messages are deleted from the IMAP folder; configured in domain Portal tab (migration 0122, 1.50.81)