Free checks in the mail software for linux

Ghost In The Mail is an anonymous e-mail client for linux written in C and designed in GTK+ 2. Look at the screenshots below to have a better idea of how does it works.
This piece of software allows to send e-mails to any person over the net with a fake email address, and also a fake name. Obviously you can use your true identity. gitmail can also send attached files. Ghost In The Mail uses MIME and Base64 technologies.
Enhancements:
- Full review of the code in order to improve stability and performances.
- Rewrite of all functions that contained malloc(CONST_VAL).
- Added functions gitm_malloc & gitm_realloc that check pointers after allocating them.
- Added some commentaries to describe functions.
- New sources files: functions are distributed into files in a more logical way.
- Files cbbentries.* removed (functions in cbbentries.* are now in history.*) Better core/gui splitting.
- Created a constant GITM_VERSION to hold the version number.
- MIME boundary is now randomly generated.
- Server errors are fully displayed.

libnewmail is a generic mail checking library for Unix/Linux and other operating systems. It supports a simple API, an extensible plugin architecture and asynchronous queries among other features.
libnewmail library is intented to be a replacement for all that crappy and incomplete code of all those mail checking utilities available. Applications linking to libnewmail may enumerate configured mailboxes, query mail box information and status and request a mail spool auto-detection for users without any libnewmail specific configuration. The library offers a clean API to implement your own mail checking plugins.
Programs using libnewmail may query for both the boolean availability and the number of available mails. (The former is usually much faster than the latter) The library is able to distuingish between new (unread) and old (read, current) mails. It includes four CLI tools easy, nmail, nmail-async and nm-spoolhackusing the libnewmail API for mail checking. They are intended to be an example how to use the API with either the synchronous or the asynchronous interface.
The utility nm-spoolhack serves a special purpose: mail checking applets using the stat() trick to check the status of Unix mail spools may be tought new tricks by pointing them to the emulated mail spool generated by this tool according to another (remote) mail spool. The emulated spool is at most a single byte in size but carries the right stat() attributes to fool the applets. This way you may use the Gnome mail check applet to query IMAPS mail spools, as an example. Its a hack, but it works quite well.
Currently libnewmail includes plugins for the following mailbox protocols:
- Unix mail spool (libunix.so)
- qmail Maildir (libmaildir.so)
- POP3 with SSL and APOP (libpop3.so)
- IMAP4rev1 with SSL (libimap.so)
There is an API for a graphical configuration interface. However, this is currently a NOOP. This feature will be added eventually

Coherent Mail Gateway is intended to be a very easy to set up MTA using SMTP and POP3. Greylisting is used on the SMTP daemon to reduce spam.

In addition, quite a lot of checks on the validity of information from the SMTP client (such as claimed server name and sender) are carried out, and anyone caught telling lies is disconnected.

Grey-, black-, and white-listing are supported, as well as (optionally) ClamAV and Spamhaus. The target market is users with static IP addresses. Others can use the system, but its value will be limited to outgoing email.

newmail is a command line utility to check for new/unread mail in a recursive Maildir++ folder structure.

Examples

These are some “usage scenarios” of newmail. For the complete documentation refer to the man page or see below.

To get a quick overview about which folders contain unread mail, its sufficient to call newmail without any commandline arguments:

$ newmail
2 [ INBOX ]
11 /lists/bugtraq
2 /lists/netbsd-current
4 /lists/pkgsrc-cvs

Ah, right. But theres a total of... how many mails?

$ newmail -at
56170

And what are the top ten folders, excluding spam & trash, please?

$ newmail -a | grep -vi spam|trash | sort -nr | head
11260 /lists/info
4287 /lists/bugtraq
1557 [ INBOX ]
1062 /lists/pkgsrc-cvs
955 /bank
719 /burningsoda/svn
569 /lists/bsd
388 /studium
312 /lists/communities
306 /lists/info_kbx

The following three lines in your .muttrc make mutts browser switch between showing all folders and only folders containing unread mail by pressing keys ‘a’ and ‘n’ respectively:

mailboxes `newmail`
macro browser a ":unmailboxes *< enter >:mailboxes `newmail -am`< enter >< check-new >"
"show all mailboxes"
macro browser n ":mailboxes *< enter >:mailboxes `newmail -m`< enter >< check-new >"
"show only mailboxes containing new mail"

OPTIONS

-a, --all

Count the total number of mails for every folder in DIRECTORY.

-m, --mutt

Output folder names in a mutt friendly way. Using this option the output of newmail can be used by the mailboxes command in mutt (see below).

This options has no effect, if --total is specified.

-n, --no-unseen

Do not treat unseen mails as new. This may be used to speed up newmail, especially on slow file systems. Only use this option if you are sure that no other process watches the structure and moves mails out of the new/ to the cur/ directory of the mail folders. IMAP servers typically do this, once they told clients about those mails.

This options has no effect, if --all is specified.

-t, --total

Sum up the total number of mails (according to the other options, of course) and display nothing but this number.

Ptunnel is an application that allows you to reliably tunnel TCP connections to a remote host using ICMP echo request and reply packets, commonly known as ping requests and replies. At first glance, this might seem like a rather useless thing to do, but it can actually come in your help in some cases.
Setting: Youre on the go, and stumble across an open wireless network. The network gives you an IP address, but wont let you send TCP or UDP packets out to the rest of the internet, for instance to check your mail. What to do? By chance, you discover that the network will allow you to ping any computer on the rest of the internet. With ptunnel, you can utilize this feature to check your mail, or do other things that require TCP.
Main features:
- Tunnel TCP using ICMP echo request and reply packets
- Connections are reliable (lost packets are resent as necessary)
- Handles multiple connections
- Acceptable bandwidth (150 kb/s downstream and about 50 kb/s upstream are the currently measured maximas for one tunnel, but with tweaking this can be improved further)
- Authentication, to prevent just anyone from using your proxy

Unified Qmail Patch provides a concatenation of various patches.
Unified Qmail Patch is a concatenation of various patches for the qmail MTA. It supports SMTP AUTH after STARTTLS, Maildir++, regexp support in badmailfrom, and lots of features for high-end production servers.
Main features:
- Maildir++
- TLS encryption
- SMTP AUTH + SMTP AUTH close
- regexps in badmailfrom and support for badmailto
- external todo
- big remote concurrency patch
- external queue manager
- oversized dns responses
- reverse dns check
- tarpitting
- ESMTP size check from Gentoo
- tab bug fix in .qmail files
- linux link sync
- errno patch (compiles with gcc 3.x too)
- auth only after TLS patch from Gentoo
- Maildir quota fix patch from Gentoo
- qregex memleak fix patch from Gentoo
- David Phillips sendmail flagf patch
- Russ Nelsons QMTP patch for qmail-remote
- Jay Austads random qmqp pickup
- Alin-Adrian Antons integer overflow fix in qmail-smtpd.c
- Added support for SMTP throttling, using relayd
- Added my own patch, that checks whether the mail from value is different from the username used for SMTP AUTH, thus preventing source address spoofing. Useful for ISPs that only relay mails from authenticated users.
- The mail from verification is now configurable through a knob defined in /var/qmail/control/spoofcheck or in the environment variable $SPOOFCHECK
- It seems that in previous versions I accidentally ommited the support for a big todo, so heres a patch that finally supports it. My apologies to all :(

Enhancements: Compatible with TB 1.5.0.*

Requirements: Thunderbird 1.0 - 1.5.0.* ALL

Peephole program is a GNU/linux server that periodically checks users mailboxes harvesting only last emails, extracting user-defined regular espressions.

Each user, once logged in, has to define his mail providers [mail server and login informations] and other settings [time delay, regular expressions, ...].

Peephole supports various mail protocol as pop3, pop3s and apop.

The project also provides two clients. The first is a GUI (WindowMaker Dockapp) that lights up a user-defined icon when Peephole find an interesting mail on the mail server. The second is a text console client.

With this dockapp you wont waste your time with useless downloads.