I wrote this small tool (in C) to be able to generate random adress. A lot of websites, mailing-list required you to send your email adresse to view the content. So i'm pissed with spam using my real adress, i want some garbage email to use.

Documentation:

chocomail version 0.0.2
Copyright (C) 2003-2004 - Luc Saillard
This program may be freely redistributed under the terms of the GNU GPL

Usage: chocomail [options]

Options:
 -g, --generate      Generate a new email adress (default)
 -c, --check         Check if the email adress is valid
 -q, --query=EMAIL   Check if the email adress is valid
 -h, --help          Print this usage and exit
 -v, --version       Print the program version and exit

Options for generate mode:
 -e, --end=DATE      Give the last time this email will be valid
                     DATE is YYMMDD
 -d, --domain=DOMAIN This domain will be put after the @
 -t, --tag=TAG       This is use to identify an unique email adress
 -s, --crc=SIZE      Len of the crc use to verify if an email is not forged
     --count=COUNT   This adress will not have a end date but a count reference

Procmailrc

This is small example use in ~/.procmailrc

...
EX_TEMPFAIL=75
EX_NOUSER=67
...
# Test using chocomail, if the address used is limited in time
:0
* ^TO_\/myloginname\.[a-za-Z0-9]+-[0-9]+-[0-9A-Fa-f]+@(mydomain1|mydomain2)\.org
{
  saved_email="$MATCH"	# Qmail compatibility
  :0 w
  * ? /usr/bin/chocomail -q $saved_email
  {
  	LOG="Good mail"
  }
  ret=$?
  :0 E
  * ret ?? ^^1^^
  {
      EXITCODE=$EX_NOUSER
      HOST
  }
  :0 E
  {
      EXITCODE=$EX_TEMPFAIL
      HOST
  }
}