NAME Mail::Delivery::Net::INET4 - establish tcp connection over IPv4. SYNOPSIS use Mail::Delivery::Net::INET4; $mta = '127.0.0.1:25'; $self->connect4( { mta => $mta }); DESCRIPTION This module tries to create a socket and establish tcp connection over IPv4. This is a typical socket program. METHODS connect4() try connect(2). If it succeeds, return a file handle. return undef if failes. Also, save the socket handle via set_socket() access method. Avaialble arguments follows: connect4( { mta => $mta } ); $mta is a hostname or [raw_ipv4_addr]:port form, for example, 127.0.0.1:25. SEE ALSO Mail::Delivery::SMTP, IO::Socket CODING STYLE See "http://www.fml.org/software/FNF/" on fml coding style guide. AUTHOR Ken'ichi Fukamachi COPYRIGHT Copyright (C) 2001,2002,2004,2005,2006 Ken'ichi Fukamachi Copyright (C) 2012 Ken'ichi Fukamachi All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. HISTORY Mail::Delivery::Net::INET4 first appeared in fml8 mailing list driver package. See "http://www.fml.org/" for more details.