Merge branch 'master' into 'master'

interface/web/admin/form/server_config.tform.php

interface/web/dns/dns_dkim_edit.php

interface/web/dns/dns_dkim_get.php

interface/web/dns/dns_dmarc_edit.php

interface/web/dns/dns_spf_edit.php

interface/web/dns/form/dns_dmarc.tform.php

interface/web/dns/form/dns_spf.tform.php

interface/web/dns/form/dns_txt.tform.php

interface/web/dns/lib/lang/ar_dns_dmarc.lng

interface/web/dns/lib/lang/ar_dns_spf.lng

interface/web/dns/lib/lang/ar_dns_txt.lng

interface/web/dns/lib/lang/bg_dns_dmarc.lng

interface/web/dns/lib/lang/bg_dns_spf.lng

interface/web/dns/lib/lang/bg_dns_txt.lng

interface/web/dns/lib/lang/br_dns_dmarc.lng

interface/web/dns/lib/lang/br_dns_spf.lng

interface/web/dns/lib/lang/br_dns_txt.lng

interface/web/dns/lib/lang/cz_dns_dmarc.lng

interface/web/dns/lib/lang/cz_dns_spf.lng

interface/web/dns/lib/lang/cz_dns_txt.lng