Free bulk email programs software for linux

KMail Power Tools is meant to be a suite of enhancements to KMail and may be other mail user agents.
It is currently composed of only one (perl) script that acts as a filter (take input from stdin, outputs the modified mail to stdout), adds dialog boxes to kmail, and allows the user to:
- remove all attachments from an email (no user interaction),
- remove selectively attachments, after asking the user,
detach (i.e. save then remove) any attachment to a directory chosen by the user,
- hence reducing the size of your mailbox, while allowing you to backup important attached files.
All these actions are logged within a sentence in the mail body (see below).
Note: removing and detaching is already supported by Thunderbird, but my favourite mailer program is KMail, then...
How it works
KMail allows the definition of filters (like any other email program), but you can define filters:
- which are launched manually,
- which can be programs reading your email on stdin and outputing the result on stdout (or "pipe through").
So I had the idea to use this in order to enhance KMail, and allow it to remove and detach attachments: kmailpt will read and interpret the email (thank you Perl MIME::Parser), then depending on the command line switches, popup a dialog box to ask the user for a directory where to save attachments, and ask him which attachment to remove/detach (thank you Kdialog!).
Also, the sentence "[Attachment removed by jice (26/02/2007 20:33:01): bill.zip]" will be added to the mail body. When you detach an email, it will add a similar sentence, and if the mail body is html, you will even get a link to the new location of the file: "[Attachment saved by jice (26/02/2007 20:36:17) to heavenly.gif]", on which you can even click in order to view the detached file. For text/plain messages, the sentence will be something like: "[Attachment saved by jice (26/02/2007 20:36:17) to file:///home/jice/Images/heavenly.gif]" (unfortunately, although kmail renders http:// or ftp:// urls as links, file:// are not (yet?) - I should enter a bug on bugs.kde.org for this...).
Should you want to know the currently available command line switches, here is the help:
Usage: kmailpt [options]
kmailpt takes an email on stdin, performs actions based
on this mail, then output an email on stdout.
Without any option, it will remove any file attached.
Options:
-d detach the attachments (save and remove)
-q ask which attachment to remove
-h prints this help

Solving Constraint Integer Programs is a framework for constraint integer programming. For solving Integer Programs and Constraint Programs, a very similar technique is used: the problem is successively divided into smaller subproblems (branching) that are solved recursively.
On the other hand, Integer Programming and Constraint Programming have different strengths: Integer Programming uses LP relaxations and cutting planes to provide strong dual bounds, while Constraint Programming can handle arbitrary (non-linear) constraints and uses propagation to tighten the variables domains.
SCIP is a framework for Constraint Integer Programming oriented towards the needs of Mathematical Programming experts who want to have total control of the solution process and access detailed information down to the guts of the solver. SCIP can also be used as pure MIP solver or as framework for branch-cut-and-price.
Main features:
- It is a framework for branching, cutting, pricing, and propagation.
- It is highly flexible through many possible user plugins:
- constraint handlers to implement arbitrary constraints,
- variable pricers to dynamically create problem variables,
- domain propagators to apply constraint independent propagations on the variables domains,
- cut separators to apply cutting planes on the LP relaxation,
- relaxators to provide relaxations and dual bounds in addition to the LP relaxation,
- primal heuristics to search for feasible solutions with specific support for probing and diving,
- node selectors to guide the search,
- branching rules to split the problem into subproblems,
- presolvers to simplify the solved problem,
- file readers to parse different input file formats,
- event handlers to be informed on specific events, e.g., when a node was solved, a specific variable changed its bounds, or a new primal solution was found,
- display handlers to create additional columns in the solvers output.
- dialog handlers to extend the included command shell.
- Every existing unit is implemented as a plugin, leading to an interface flexible enough to meet the needs of most additional user extensions.
- A dynamic cut pool management is included.
- The user may mix preprocessed and active problem variables in expressions: they are automatically transformed to corresponding active problem variables.
- Arbitrarily many children per node can be created, and the different children can be arbitrarily defined.
- It has an open LP solver support (currently supporting ILOG CPLEX, Dash XPress-MP, SoPlex, and CLP.
- The LP relaxation need not to be solved at every single node (it can even be turned off completely, mimicing a pure constraint solver).
- Additional relaxations (e.g., semidefinite relaxations or Lagrangian relaxations) can be included, working in parallel or interleaved.
- Conflict analysis can be applied to learn from infeasible subproblems.
- Dynamic memory management reduces the number of operation system calls with automatic memory leakage detection in debug mode.
Enhancements:
- The new heuristics "RENS", "mutation", "veclendiving", and "intshifting", were included.
- The existing ones were improved.
- Presolving and c-MIR cut generation were improved.
- A few bugs were fixed.

The Email Server is designed to provide services offered by its commercial email products, such as IMAP/POP services, Web-Based Email Interface and Administration, Mail Filtering, Spam Blocking and Directory-Based Authentication and Addressbooks.
RH Email Server is fine for businesses and organizations of all sizes. Multiple commercial and educational installations are already using this project. The largest current user load that has been reported is 7,000 + users.
Interoperability between RHSD projects such as the RHSD Email Server and the RHSD Domain Controller will allow for use of Single-Sign On. RHSD also utilizes IETF Standardized projects and therefore will be compatible with any Directory system compatible with LDAP v.3.
Main features:
- Web-Based Email Client for Users
- LDAP Directory / Authentication
- Mail Filtering
- Addressbooks
- Web-Based Administration Tools
- Role-Based Tool Delegation
- Spam Blocking

BIRT, the Batch Image Resizing Thing, is a simple application that allows a large number of images to be resized in one go. Obviously this is possible by scripting ImageMagick but its usually somewhat easier with a GUI.
Bulk Image Resizing Thing was created in order to learn how to develop using the Qt library, and to facilitaty the maintenance of an online photo album where each hi-res photo needs a low-res copy and a thumbnail.
Usage
BIRT has a hypertext based online help system (visible in some of the screenshots below), to access this simply start the application and click on the Help button at the bottom of the BIRT window.
If you cant wait to read the help then here is a basic guide to using BIRT: simply select the image files to be resized, enter the new size, select the output directory and press Go. A more detailed instruction set, include explanations of the ratio options and output suffix/prefix fields can be found in the How To Use BIRT section of the help.
Enhancements:
- A problem with the Help dialog that would prevent it being re-opened if it was closed using the systems close window widget rather than the "Quit" button was fixed.

morigin email classifier is a filter that classifies and tags email messages based on the DNS information of the system submitting the mail to your organization.

morigin email classifier can then be used to improve upon existing spam filters such as SpamAssassin.

Email Security through Procmail (the Procmail Sanitizer) provides methods to sanitize email, removing obvious exploit attempts and disabling the channels through which exploits are delivered.
Email Security through Procmail also provides facilities for detecting and blocking Trojan Horse exploits and worms.
Enhancements:
- This release added default poisoning of the application/x-msdownload MIME type in response to a new worm.
- Full MIME-type poisoning support will be available shortly.
- This release was accelerated for security reasons.

Email::Filter::SpamAssassin is a Perl module to integrate Mail::SpamAssassin in Email::Filter.

SYNOPSIS

use Email::Filter::SpamAssassin; # subclass of Email::Filter

my $email = Email::Filter::SpamAssassin->new;
my $status = $email->spam_check;
$email->ignore if $status->is_spam;

# or supply a Mail::SpamAssassin object
$status = $email->spam_check($spam_assassin);
$email->accept(spam) if $status->is_spam;

This module is a subclass of Email::Filter which integrates Mail::SpamAssassin. It has only one additional method.

METHODS

spam_check

Accepts an optional Mail::SpamAssassin object. If nothing is supplied it constructs one with the default parameters. Then it calls the method check on this object and returns an Mail::SpamAssassin::PerMsgStatus object (on which you can call is_spam).