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fix(mail): 统一邮箱查询的大小写与别名匹配

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- 将 Postfix/Dovecot 的 SQL 查询改为忽略大小写匹配，减少地址大小写导致的投递失败。
- 支持带 `+` 的详细地址解析，并基于域表关联定位邮箱目录。
- 启用 `lda_mailbox_autocreate`，确保投递到详细邮箱时可自动创建邮箱目录。
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LanQin_
2026-06-17 14:15:03 +08:00
parent 095d3ad247
commit 6ebbb47012
5 changed files with 5 additions and 4 deletions
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deploy/postfix/sqlite-mailboxes.cf
+1 -1
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@@ -1,2 +1,2 @@
dbpath = /data/lanqin.db
query = SELECT 'vhosts/' || substr(address, instr(address, '@') + 1) || '/' || local_part || '/Maildir/' FROM mailboxes WHERE address='%s' AND status='active' UNION SELECT 'vhosts/' || substr('%s', instr('%s', '@') + 1) || '/__unregistered__/Maildir/' WHERE EXISTS (SELECT 1 FROM system_settings WHERE key='catchAllEnabled' AND value='true') AND EXISTS (SELECT 1 FROM domains WHERE name=substr('%s', instr('%s', '@') + 1) AND status='active') AND NOT EXISTS (SELECT 1 FROM mailboxes WHERE address='%s' AND status='active')
query = SELECT 'vhosts/' || d.name || '/' || m.local_part || '/Maildir/' FROM mailboxes m JOIN domains d ON d.id=m.domain_id WHERE d.name=lower(substr('%s', instr('%s', '@') + 1)) AND m.local_part=lower(CASE WHEN instr(substr('%s', 1, instr('%s', '@') - 1), '+') > 0 THEN substr(substr('%s', 1, instr('%s', '@') - 1), 1, instr(substr('%s', 1, instr('%s', '@') - 1), '+') - 1) ELSE substr('%s', 1, instr('%s', '@') - 1) END) AND m.status='active' AND d.status='active' UNION SELECT 'vhosts/' || lower(substr('%s', instr('%s', '@') + 1)) || '/__unregistered__/Maildir/' WHERE EXISTS (SELECT 1 FROM system_settings WHERE key='catchAllEnabled' AND value='true') AND EXISTS (SELECT 1 FROM domains WHERE name=lower(substr('%s', instr('%s', '@') + 1)) AND status='active') AND NOT EXISTS (SELECT 1 FROM mailboxes m JOIN domains d ON d.id=m.domain_id WHERE d.name=lower(substr('%s', instr('%s', '@') + 1)) AND m.local_part=lower(CASE WHEN instr(substr('%s', 1, instr('%s', '@') - 1), '+') > 0 THEN substr(substr('%s', 1, instr('%s', '@') - 1), 1, instr(substr('%s', 1, instr('%s', '@') - 1), '+') - 1) ELSE substr('%s', 1, instr('%s', '@') - 1) END) AND m.status='active')