05-16-2012
Your question is still to general for these forums, but I will give you a general answer and maybe that will point you in the right direction. But I think maybe you need to find an expert that will consult with you for your specific needs.
Postfix is one of 3 major, free implementations of SMTP for UNIX. The others are sendmail and qmail. Of these, postfix has the best combination of flexibility and ease-of-configuration. All are available for Linux.
Postfix and sendmail are typically thought of as "MTAs" -- Mail Transport Agents. SMTP is a protocol designed for MTAs to talk with each other. (LMTP is another such protocol.) What you are asking for is a function typically provided by "MDAs" -- Mail Delivery Agents. These programs are delegated the responsibility of putting the mail into the right mailbox for the end-user. These programs typically do not interact with other systems or other computers -- only the system that the mail has been transported to (via the MTAs). Examples of such programs include
Take a look at the short Wikipedia article for these. You can start reading here:
Mail delivery agent - Wikipedia, the free encyclopedia
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LEARN ABOUT SUSE
mail::mailer
Mail::Mailer(3) User Contributed Perl Documentation Mail::Mailer(3)
NAME
Mail::Mailer - Simple interface to electronic mailing mechanisms
INHERITANCE
Mail::Mailer
is a IO::Handle
SYNOPSIS
use Mail::Mailer;
use Mail::Mailer qw(mail); # specifies default mailer
$mailer = Mail::Mailer->new;
$mailer = Mail::Mailer->new($type, @args);
$mailer->open(\%headers);
print $mailer $body;
$mailer->close
or die "couldn't send whole message: $!
";
DESCRIPTION
Sends mail using any of the built-in methods. As TYPE argument to new(), you can specify any of
"sendmail"
Use the "sendmail" program to deliver the mail.
"smtp"
Use the "smtp" protocol via Net::SMTP to deliver the mail. The server to use can be specified in @args with
$mailer = Mail::Mailer->new('smtp', Server => $server);
The smtp mailer does not handle "Cc" and "Bcc" lines, neither their "Resent-*" fellows. The "Debug" options enables debugging output
from "Net::SMTP".
You may also use the "Auth => [ $user, $password ]" option for SASL authentication. To make this work, you have to install the
Authen::SASL distribution yourself: it is not automatically installed.
"smtps"
Use the smtp over ssl protocol via Net::SMTP::SSL to deliver the mail. Usage is identical to "smtp".
$mailer = Mail::Mailer->new('smtps', Server => $server);
"qmail"
Use qmail's qmail-inject program to deliver the mail.
"testfile"
Used for debugging, this displays the data to the file named in $Mail::Mailer::testfile::config{outfile} which defaults to a file named
"mailer.testfile". No mail is ever sent.
"Mail::Mailer" will search for executables in the above order. The default mailer will be the first one found.
METHODS
Constructors
Mail::Mailer->new(TYPE, ARGS)
The TYPE is one of the back-end sender implementations, as described in the DESCRIPTION chapter of this manual page. The ARGS are
passed to that back-end.
$obj->open(HASH)
The HASH consists of key and value pairs, the key being the name of the header field (eg, "To"), and the value being the corresponding
contents of the header field. The value can either be a scalar (eg, "gnat@frii.com") or a reference to an array of scalars ("eg,
['gnat@frii.com', 'Tim.Bunce@ig.co.uk']").
DETAILS
ENVIRONMENT VARIABLES
PERL_MAILERS
Augments/override the build in choice for binary used to send out our mail messages.
Format:
"type1:mailbinary1;mailbinary2;...:type2:mailbinaryX;...:..."
Example: assume you want you use private sendmail binary instead of mailx, one could set "PERL_MAILERS" to:
"mail:/does/not/exists:sendmail:$HOME/test/bin/sendmail"
On systems which may include ":" in file names, use "|" as separator between type-groups.
"mail:c:/does/not/exists|sendmail:$HOME/test/bin/sendmail"
BUGS
Mail::Mailer does not help with folding, and does not protect against various web-script hacker attacks, for instance where a new-line is
inserted in the content of the field.
SEE ALSO
This module is part of the MailTools distribution, http://perl.overmeer.net/mailtools/.
AUTHORS
The MailTools bundle was developed by Graham Barr. Later, Mark Overmeer took over maintenance without commitment to further development.
Mail::Cap by Gisle Aas <aas@oslonett.no>. Mail::Field::AddrList by Peter Orbaek <poe@cit.dk>. Mail::Mailer and Mail::Send by Tim Bunce
<Tim.Bunce@ig.co.uk>. For other contributors see ChangeLog.
LICENSE
Copyrights 1995-2000 Graham Barr <gbarr@pobox.com> and 2001-2007 Mark Overmeer <perl@overmeer.net>.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See
http://www.perl.com/perl/misc/Artistic.html
perl v5.12.1 2010-01-26 Mail::Mailer(3)