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-rw-r--r--lib/Net/POP3.pm27
1 files changed, 20 insertions, 7 deletions
diff --git a/lib/Net/POP3.pm b/lib/Net/POP3.pm
index 7a371d3..b523348 100644
--- a/lib/Net/POP3.pm
+++ b/lib/Net/POP3.pm
@@ -34,16 +34,19 @@ my $nossl_warn = !$ssl_class &&
   'To use SSL please install IO::Socket::SSL with version>=2.007';
 
 # Code for detecting if we can use IPv6
+my $family_key = 'Domain';
 my $inet6_class = eval {
   require IO::Socket::IP;
   no warnings 'numeric';
-  IO::Socket::IP->VERSION(0.20);
+  IO::Socket::IP->VERSION(0.20) || die;
+  $family_key = 'Family';
 } && 'IO::Socket::IP' || eval {
   require IO::Socket::INET6;
   no warnings 'numeric';
   IO::Socket::INET6->VERSION(2.62);
 } && 'IO::Socket::INET6';
 
+
 sub can_ssl   { $ssl_class };
 sub can_inet6 { $inet6_class };
 
@@ -63,7 +66,6 @@ sub new {
   }
   my $hosts = defined $host ? [$host] : $NetConfig{pop3_hosts};
   my $obj;
-  my @localport = exists $arg{ResvPort} ? (LocalPort => $arg{ResvPort}) : ();
 
   if ($arg{SSL}) {
     # SSL from start
@@ -78,7 +80,9 @@ sub new {
       PeerAddr => ($host = $h),
       PeerPort => $arg{Port} || 'pop3(110)',
       Proto => 'tcp',
-      @localport,
+      $family_key => $arg{Domain} || $arg{Family},
+      LocalAddr => $arg{LocalAddr},
+      LocalPort => exists($arg{ResvPort}) ? $arg{ResvPort} : $arg{LocalPort},
       Timeout => $arg{Timeout},
       )
       and last;
@@ -623,12 +627,16 @@ Net::POP3 - Post Office Protocol 3 Client class (RFC1939)
 This module implements a client interface to the POP3 protocol, enabling
 a perl5 application to talk to POP3 servers. This documentation assumes
 that you are familiar with the POP3 protocol described in RFC1939.
+With L<IO::Socket::SSL> installed it also provides support for implicit and
+explicit TLS encryption, i.e. POP3S or POP3+STLS.
 
 A new Net::POP3 object must be created with the I<new> method. Once
 this has been done, all POP3 commands are accessed via method calls
 on the object.
 
-The Net::POP3 class is a subclass of Net::Cmd and IO::Socket::INET.
+The Net::POP3 class is a subclass of Net::Cmd and (depending on avaibility) of
+IO::Socket::IP, IO::Socket::INET6 or IO::Socket::INET.
+
 
 =head1 CONSTRUCTOR
 
@@ -659,9 +667,14 @@ upgrade with C<starttls>.
 You can use SSL arguments as documented in L<IO::Socket::SSL>, but it will
 usually use the right arguments already.
 
-B<ResvPort> - If given then the socket for the C<Net::POP3> object
-will be bound to the local port given using C<bind> when the socket is
-created.
+B<LocalAddr> and B<LocalPort> - These parameters are passed directly
+to IO::Socket to allow binding the socket to a a specific local addr and port.
+For compatibility with older versions B<ResvPort> can be used instead of
+B<LocalPort>.
+
+B<Domain> - This parameter is passed directly to IO::Socket and makes it
+possible to enforce IPv4 connections even if L<IO::Socket::IP> is used as super
+class. Alternatively B<Family> can be used.
 
 B<Timeout> - Maximum time, in seconds, to wait for a response from the
 POP3 server (default: 120)