Net::POP3(3pm) Perl Programmers Reference Guide Net::POP3(3pm)
NAME
Net::POP3 - Post Office Protocol 3 Client class (RFC1939)
SYNOPSIS
use Net::POP3;
# Constructors
$pop = Net::POP3->new('pop3host');
$pop = Net::POP3->new('pop3host', Timeout => 60);
if ($pop->login($username, $password) > 0) {
my $msgnums = $pop->list; # hashref of msgnum => size
foreach my $msgnum (keys %$msgnums) {
my $msg = $pop->get($msgnum);
print @$msg;
$pop->delete($msgnum);
}
}
$pop->quit;
DESCRIPTION
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.
A new Net::POP3 object must be created with the new method. Once this has been done, all POP3 com-mands commands
mands are accessed via method calls on the object.
CONSTRUCTOR
new ( [ HOST ] [, OPTIONS ] 0
This is the constructor for a new Net::POP3 object. "HOST" is the name of the remote host to
which an POP3 connection is required.
"HOST" is optional. If "HOST" is not given then it may instead be passed as the "Host" option
described below. If neither is given then the "POP3_Hosts" specified in "Net::Config" will be
used.
"OPTIONS" are passed in a hash like fashion, using key and value pairs. Possible options are:
Host - POP3 host to connect to. It may be a single scalar, as defined for the "PeerAddr" option
in IO::Socket::INET, or a reference to an array with hosts to try in turn. The "host" method will
return the value which was used to connect to the host.
ResvPort - If given then the socket for the "Net::POP3" object will be bound to the local port
given using "bind" when the socket is created.
Timeout - Maximum time, in seconds, to wait for a response from the POP3 server (default: 120)
Debug - Enable debugging information
METHODS
Unless otherwise stated all methods return either a true or false value, with true meaning that the
operation was a success. When a method states that it returns a value, failure will be returned as
undef or an empty list.
auth ( USERNAME, PASSWORD )
Attempt SASL authentication.
user ( USER )
Send the USER command.
pass ( PASS )
Send the PASS command. Returns the number of messages in the mailbox.
login ( [ USER [, PASS ]] )
Send both the USER and PASS commands. If "PASS" is not given the "Net::POP3" uses "Net::Netrc" to
lookup the password using the host and username. If the username is not specified then the cur-rent current
rent user name will be used.
Returns the number of messages in the mailbox. However if there are no messages on the server the
string "0E0" will be returned. This is will give a true value in a boolean context, but zero in a
numeric context.
If there was an error authenticating the user then undef will be returned.
apop ( [ USER [, PASS ]] )
Authenticate with the server identifying as "USER" with password "PASS". Similar to "login", but
the password is not sent in clear text.
To use this method you must have the Digest::MD5 or the MD5 module installed, otherwise this
method will return undef.
banner ()
Return the sever's connection banner
capa ()
Return a reference to a hash of the capabilties of the server. APOP is added as a pseudo capa-bility. capability.
bility. Note that I've been unable to find a list of the standard capability values, and some
appear to be multi-word and some are not. We make an attempt at intelligently parsing them, but
it may not be correct.
capabilities ()
Just like capa, but only uses a cache from the last time we asked the server, so as to avoid ask-ing asking
ing more than once.
top ( MSGNUM [, NUMLINES ] )
Get the header and the first "NUMLINES" of the body for the message "MSGNUM". Returns a reference
to an array which contains the lines of text read from the server.
list ( [ MSGNUM ] )
If called with an argument the "list" returns the size of the message in octets.
If called without arguments a reference to a hash is returned. The keys will be the "MSGNUM"'s of
all undeleted messages and the values will be their size in octets.
get ( MSGNUM [, FH ] )
Get the message "MSGNUM" from the remote mailbox. If "FH" is not given then get returns a refer-ence reference
ence to an array which contains the lines of text read from the server. If "FH" is given then the
lines returned from the server are printed to the filehandle "FH".
getfh ( MSGNUM )
As per get(), but returns a tied filehandle. Reading from this filehandle returns the requested
message. The filehandle will return EOF at the end of the message and should not be reused.
last ()
Returns the highest "MSGNUM" of all the messages accessed.
popstat ()
Returns a list of two elements. These are the number of undeleted elements and the size of the
mbox in octets.
ping ( USER )
Returns a list of two elements. These are the number of new messages and the total number of mes-sages messages
sages for "USER".
uidl ( [ MSGNUM ] )
Returns a unique identifier for "MSGNUM" if given. If "MSGNUM" is not given "uidl" returns a ref-erence reference
erence to a hash where the keys are the message numbers and the values are the unique identi-fiers. identifiers.
fiers.
delete ( MSGNUM )
Mark message "MSGNUM" to be deleted from the remote mailbox. All messages that are marked to be
deleted will be removed from the remote mailbox when the server connection closed.
reset ()
Reset the status of the remote POP3 server. This includes reseting the status of all messages to
not be deleted.
quit ()
Quit and close the connection to the remote POP3 server. Any messages marked as deleted will be
deleted from the remote mailbox.
NOTES
If a "Net::POP3" object goes out of scope before "quit" method is called then the "reset" method will
called before the connection is closed. This means that any messages marked to be deleted will not
be.
SEE ALSO
Net::Netrc, Net::Cmd
AUTHOR
Graham Barr <gbarr@pobox.com>
COPYRIGHT
Copyright (c) 1995-2003 Graham Barr. All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
perl v5.8.8 2001-09-21 Net::POP3(3pm)
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