-Depends: postfix, postfix-tls, carnet-tools-cn (>= 2.7), sasl2-bin, libsasl2-modules, debconf, openssl
+Depends: ${misc:Depends}, postfix (>= 3.4.10), carnet-tools-cn (>= 3.2.2), sasl2-bin (>= 2.1.27), libsasl2-modules (>= 2.1.27), debconf, openssl, adduser, postfix-pcre