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Date: Wed, 14 Aug 2013 02:19:20 +0800
From: orc <>
To: musl list <>
Subject: dn_expand() confuses postfix

musl's dn_expand() confuses postfix - always returns 0, then postfix's
libdns.a gets wrong shifts and gives up with something like:

./test_dns_lookup: lookup type MX flags 2
./test_dns_lookup: dns_query: (MX): OK
./test_dns_lookup: warning: dns_get_fixed: bad class: 30722
./test_dns_lookup: fatal: Name service error for type=MX: Malformed or unexpected name server reply

If someone will face same error with postfix & musl, then get portable
dn_expand.c from and put it
in src/dns (edit to include src & obj).

(btw running whole LAMP/FTP stack with musl - some issues appear like
iconv need to be replaced with libiconv to make some CMS happy, so I
have some compatibility experience here. Musl much more perfect than I

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