updated default dns-template to use spf and dkim (when active for the mail-...

Florian Schaal

2015-01-06 0380585631623770b0d9d4ffdfcda8e007a2bb5d

 install/sql/incremental/upd_0052.sql

New file
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ALTER TABLE `client` ADD `default_slave_dnsserver` INT( 11 ) UNSIGNED NOT NULL DEFAULT '1' AFTER `limit_dns_zone`;