<!ENTITY services                   SYSTEM "Services.docbook">
<!ENTITY services-dns               SYSTEM "Services/Dns.docbook">
<!ENTITY services-dns-overview      SYSTEM "Services/Dns/overview.docbook">
<!ENTITY services-mail              SYSTEM "Services/Mail.docbook">
<!ENTITY services-mail-overview     SYSTEM "Services/Mail/overview.docbook">
<!ENTITY services-mail-mta          SYSTEM "Services/Mail/mta.docbook">
<!ENTITY services-mail-mda          SYSTEM "Services/Mail/mda.docbook">
<!ENTITY services-mail-saslauthd    SYSTEM "Services/Mail/saslauthd.docbook">
<!ENTITY services-mail-mua          SYSTEM "Services/Mail/mua.docbook">
<!ENTITY services-http              SYSTEM "Services/Http.docbook">
<!ENTITY services-http-overview     SYSTEM "Services/Http/overview.docbook">
<!ENTITY services-ldap              SYSTEM "Services/Ldap.docbook">
<!ENTITY services-ldap-overview     SYSTEM "Services/Ldap/overview.docbook">