Alpine Linux's Postfix is compiled with LMDB support, not BerkeleyDB hash support. This caused "Temporary lookup failure" errors on send. Changes: - Changed virtual_alias_maps and virtual_mailbox_maps to lmdb: prefix - Copy resolv.conf to Postfix chroot for DNS resolution - Added `mailctl fix-postfix` command to repair existing installations Root cause: virtual_alias_maps was configured as hash:/etc/postfix/virtual but the hash map type is not supported on Alpine, only lmdb. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> |
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