08-10-2001
Yes, now that the use of email has matured, a more robust and secure email protocol would be appropriate. However, it is both human nature and the nature of the IETF to 'pave over cowpaths' so there is little chance that SMTP will be redesigned (and actually used) in the next decade. The trends in IT are to modify and tweak broken legacy systems.
So, we are 'stuck with SMTP' for the forseeable future. However, mail can be sent using SMTP quite securely using PGP and other encryption methods. Originating IP addresses can be hidden; or anonymous remailers can be used (or both!!).
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LEARN ABOUT DEBIAN
net::sslglue::smtp
Net::SSLGlue::SMTP(3pm) User Contributed Perl Documentation Net::SSLGlue::SMTP(3pm)
NAME
Net::SSLGlue::SMTP - make Net::SMTP able to use SSL
SYNOPSIS
use Net::SSLGlue::SMTP;
my $smtp_ssl = Net::SMTP->new( $host,
SSL => 1,
SSL_ca_path => ...
);
my $smtp_plain = Net::SMTP->new( $host );
$smtp_plain->starttls( SSL_ca_path => ... );
DESCRIPTION
Net::SSLGlue::SMTP extends Net::SMTP so one can either start directly with SSL or switch later to SSL using the STARTTLS command.
By default it will take care to verify the certificate according to the rules for SMTP implemented in IO::Socket::SSL.
METHODS
new The method "new" of Net::SMTP is now able to start directly with SSL when the argument "<SSL =" 1>> is given. In this case it will not
create an IO::Socket::INET object but an IO::Socket::SSL object. One can give the usual "SSL_*" parameter of IO::Socket::SSL to
"Net::SMTP::new".
starttls
If the connection is not yet SSLified it will issue the STARTTLS command and change the object, so that SSL will now be used. The usual
"SSL_*" parameter of IO::Socket::SSL will be given.
peer_certificate ...
Once the SSL connection is established the object is derived from IO::Socket::SSL so that you can use this method to get information
about the certificate. See the IO::Socket::SSL documentation.
All of these methods can take the "SSL_*" parameter from IO::Socket::SSL to change the behavior of the SSL connection. The following
parameters are especially useful:
SSL_ca_path, SSL_ca_file
Specifies the path or a file where the CAs used for checking the certificates are located. This is typically "etc/ssl/certs" on UNIX
systems.
SSL_verify_mode
If set to 0, verification of the certificate will be disabled. By default it is set to 1 which means that the peer certificate is
checked.
SSL_verifycn_name
Usually the name given as the hostname in the constructor is used to verify the identity of the certificate. If you want to check the
certificate against another name you can specify it with this parameter.
SEE ALSO
IO::Socket::SSL, Net::SMTP
COPYRIGHT
This module is copyright (c) 2008, Steffen Ullrich. All Rights Reserved. This module is free software. It may be used, redistributed
and/or modified under the same terms as Perl itself.
perl v5.14.2 2012-04-06 Net::SSLGlue::SMTP(3pm)