DOKK / manpages / debian 13 / mimedefang / Mail::MIMEDefang::Net.3.en
Mail::MIMEDefang::Net(3) Mail::MIMEDefang::Net Documentation Mail::MIMEDefang::Net(3)

Mail::MIMEDefang::Net - Network related methods for email filters

Mail::MIMEDefang::Net are a set of methods that can be called from mimedefang-filter to call network related services.

Method that returns an IPv6 address with all zero fields explicitly expanded, any field shorter than 4 hex digits will be padded with zeros.
Method that returns the ip address in the appropriately-reversed format used for RBL lookups.
Method that returns the result of the lookup (eg 127.0.0.2). Parameters are the ip address of the relay host and the domain of the rbl server.
Method that returns the result of the lookup (eg 127.0.0.2). Parameters are an email address, the domain of the hashbl server, and the type of hashing (MD5 or SHA1).
Returns true if $ip_addr is a publicly-routable IPv4 address, false otherwise
Returns true if $ip_addr is a publicly-routable IPv6 address, false otherwise
Get IP addresses of all MX hosts for given domain. If there are no MX hosts, then return A records.
Returns a list of "bogus" IP addresses that are in $domain's list of MX records. A "bogus" IP address is loopback/private/multicast/etc.
Get PTR record for given IP address.
Method that rerurns a hash table with one entry per original domain. Entries in hash will be: "{ $domain =<gt" $return }>, where $return is one of SERVFAIL, NXDOMAIN or a list of IP addresses as a dotted-quad.
Method that returns a number indicating how many RBLs the host was blacklisted in.
Method that returns an array indicating the domains in which the relay is blacklisted.
2025-05-19 3.6