
   AMaViS - A Mail Virus Scanner
   
Christian Bricart, [1]shiva@aachalon.de

   version 0.2.0-pre6, 20. Jul 1999
     _________________________________________________________________
   
   This document describes version 0.2.0-pre6 of AMaViS - A Mail Virus
   Scanner for Linux and other UN*X based platforms ( tested to run on
   Solaris, *BSD, AIX, HP-UX, too )
     _________________________________________________________________
   
[2]1. Introduction

[3]2. System Requirements

  [4]2.1 Virus Scanners
  
    [5]2.1.1 McAfee
    
    [6]2.1.2 DrSolomon
    
    [7]2.1.3 AntiVir/X
    
    [8]2.1.4 Sophos Anti-Virus
    
    [9]2.1.5. Kaspersky Lab AntiViral Toolkit Pro (AVP)
    
  [10]2.2.1 sendmail
  
  [11]2.2.2 Qmail
  
  [12]2.3 MetaMail
  
  [13]2.4 Decompressors and Decoders
  
    [14]2.4.1 uudecode
    
    [15]2.4.2. compress
    
    [16]2.4.3 gunzip
    
    [17]2.4.4 unzip
    
    [18]2.4.5 unarj
    
    [19]2.4.6 unrar
    
    [20]2.4.7 xbin
    
    [21]2.4.8 LHArc
    
    [22]2.4.8 bunzip2
    
    [23]2.4.9 zoo
    
    [24]2.4.10 arc
    
    [25]2.4.11 freeze
    
[26]3. Installation Instructions

  [27]3.1 Installing the Software
  
  [28]3.2 Modifying /etc/sendmail.cf manually
  
  [29]3.3 Testing Installation
  
[30]4. Download

[31]5. Future Outlook

[32]6. Known Bugs

[33]7. Disclaimer

[34]8. Copyright

[35]9. Credits

[36]10. AMaViS in the press

[37]11. History and Changes
     _________________________________________________________________
   
1. Introduction

   Most people will say: "A virus scanner? For UN*X? Why? Viruses do not
   work in a UNIX environment." On the first glance they are right (even
   if there are at least two viruses which run under Linux - well,
   actually they are Trojan Horses)
   
   On the second view though, imagine a heterogene network environment
   with both UN*X and DOS / Windows / Macintosh workstations. Now think
   of an UN*X server that serves Windows and/or Macintosh workstations
   via a POP3 service. Would it not be nice to ensure attachments coming
   via email are scanned for viruses before they reach a system they are
   able to infect? Well - that is what this package is for. It resides on
   the server that handles your incoming mails. When a mail arrives,
   instead of being delivered via procmail directly, is parsed through a
   script that extracts all attachments from the mail, unpacks (if
   needed) and scannes them using a professional virus scanner program.
   
  Please note:
  
   This document mainly describes the function and implementation in a
   [38]Linux environment, but it should be portable to any UN*X available
   within the limitations outlined in this document ( currently only
   Linux tested by the author). Successful installation has also be
   reported running on SUN Solaris, *BSD, AIX and HP-UX (some with minor
   modification to the package). Links to software packages point mainly
   point to source code which should compile under different UN*X
   systems.
     _________________________________________________________________
   
2. System Requirements

  2.1 Virus Scanners
  
    2.1.1 McAfee
    
      Version 3.x Engine
      
   [39]McAfee's AntiVirus for [40]AIX, [41]HP-UX, [42]Linux, [43]NCR and
   [44]Solaris is available at:
   [45]ftp://ftp.mcafee.com/pub/antivirus/unix/
   [46]Current DAT files have to be version 3.x and are the same for
   DOS/Windows. You may also use the [47]hourly updated DAT files
   
      Version 4.x Engine
      
   A new Network Associates scanning engine has been created and backed
   by the combined efforts of the McAfee Labs and Dr Solomon anti-virus
   research teams to deliver the outstanding virus detection and cleaning
   rates.
   There is a beta version (4.03 Beta) of for [48]AIX, [49]HP, [50]Linux,
   [51]SCO and [52]Solaris. Direct download from Network Associates is
   available [53]here.
   [54]Current DAT files have to be version 4.x and are the same for
   DOS/Windows. You may also use the [55]hourly updated DAT files
   Note: This evaluation version is to be used free of charge for a
   limited time of 30 days. Then it has to be registered.
   
    2.1.2. DrSolomon
    
   [56]DrSolomon Anti-Virus Toolkit for SCO-UNIX (running with the iBCS
   kernel module)
   Note: I have no information about a price yet. There is no evaluation
   version. DrSolomons has become part of [57]Network Associates (NAI)
   
    2.1.3 AntiVir/X
    
   [58]AntiVir/X (German + English)
   AntiVir/X may be used free of charge in a non commercial environment.
   Please send a short e-mail with name, address and point out that you
   want to use AntiVir/X exclusive on your personal system. You then will
   receive a license for it. Support is avalialable via
   [59]linux_support@antivir.de
   To use AntiVir/X in a commercial environment you have to obtain one of
   the following:
     * Base Package: DM: 481.- (EUR: 245.93)
     * Package with every two months update for one year: DM: 960.- (EUR:
       490.84)
     * Package with monthly updates for one year: DM: 1,561.- (EUR:
       798.13)
     * Package with monthly updates and FTP access: DM: 1,841.- (EUR:
       941.29)
       
    2.1.4 Sophos Anti-Virus
    
   [60]Sophos [61]Anti-Virus for Unix is virus detection and disinfection
   software which can be installed on Unix file servers and workstations.
   Binaries for various Unices are available [62]here.
   
    2.1.5. Kaspersky Lab AntiViral Toolkit Pro (AVP)
    
   [63]Kaspersky Lab [64]AntiViral Toolkit Pro (AVP) for Linux is
   available [65]here.
   
  2.2.1 sendmail
  
   Currently your SMTP server has to be sendmail. Support for other
   servers (e.g. smail) will be added in [66]future versions.
   sendmail is available at: [67]http://www.sendmail.org/
   
  2.2.2 Qmail
  
   Support for [68]Qmail has been integrated due to contribution of
   several people. It still remains untested!
   
  2.3 MetaMail
  
   most recent version of metamail is available at:
   [69]ftp://ftp.funet.fi/pub/Linux/kernel/net-source/mail/tools/
   
  2.4 Decompressors
  
    2.4.1 uudecode
    
   Note: GNU uuencode/uudecode 1.0 distribution has been merged into GNU
   shar utilities 4.2 distribution. Look for sharutils-*.*.tar.gz
   available at: [70]ftp://ftp.gnu.org/gnu/sharutils/
   
    2.4.2 compress
    
      From the compress (4.1) manpage:
      
   Compress reduces the size of the named files using adaptive Lempel-Ziv
   coding. Whenever possible, each file is replaced by one with the
   extension .Z, while keeping the same ownership modes, access and
   modification times.
   
   Note: (un)compress is not needed as [71]gunzip is also able to
   uncompress .Z files.
   
   Source code for compress is available at:
   [72]ftp://sunsite.unc.edu/pub/Linux/utils/compress/compress.tar.Z
   
    2.4.3 gunzip
    
      From the gzip-1.2.4L.lsm file:
      
   gzip (GNU zip) is a compression utility designed to be a replacement
   for compress. Its main advantages over compress are much better
   compression and freedom from patented algorithms.
   
   Source code for gunzip is available at:
   [73]ftp://sunsite.unc.edu/pub/Linux/utils/compress/gzip-1.2.4L.tar.gz
   (also available as special [74]Pentium optimized binary version)
   
    2.4.4 unzip
    
      From the unzip-5.31.lsm file:
      
   UnZip 5.31 is a free unarchiver compatible with PKZIP archives
   (zipfiles) but not a clone of PKUNZIP. This version improves
   performance somewhat and adds a new "timestamp" function for very fast
   dating of multiple archives, but most of its new features have to do
   with better cross-platform support and/or new ports. Multi-part
   archive support is *not* yet supported (sorry!). Work on that is
   already underway, however.
   
   Source code is available at:
   [75]ftp://sunsite.unc.edu/pub/Linux/utils/compress/
   
   A tool named "zipsecure" comes with AMaViS. This program reads a zip
   file from stdin, removes any pathes of a contained file and changes
   the name of the file to a new file name. The new name starts with a
   "z" followed by the process ID and a sequence number. If any extension
   in the original name was present, it is also appended to the new name.
   
   The provided tool "securetar does similar to tar-files.
   
    2.4.5 unarj
    
      From the unarj241a.lsm file:
      
   Standard unarj un-archiver, provided with the capability of creating
   directory hierarchies.
   
   Source code is available at:
   [76]ftp://sunsite.unc.edu/pub/Linux/utils/compress/
   
    2.4.6 unrar
    
      From the unrar-2.04.1.lsm file:
      
   The unRAR utility is a freeware program, distributed with source code
   and developed for extracting, testing and viewing the contents of
   archives created with the RAR archiver version 1.50 and above.
   
   Source code is available at:
   [77]ftp://sunsite.unc.edu/pub/Linux/utils/compress/
   
    2.4.7 xbin
    
   xbin is available as:
   [78]ftp://sunsite.unc.edu/pub/packages/TeX/tools/xbin/xbinunix.c
   
    2.4.8 LHArc
    
   needs documentation
   
    2.4.9 bunzip2
    
   Have a look at the bunzip2 homepage at:
   [79]http://www.muraroa.demon.co.uk/
   
    2.4.9 zoo
    
   needs documentation
   
    2.4.10 arc
    
   needs documentation
   
    2.4.11 freeze
    
   [80]http://metalab.unc.edu/pub/Linux/utils/compress/
     _________________________________________________________________
   
3. Installation Instructions

  3.1 Installing the Software
  
   Note: Installation and operation is only fully tested in a Linux
   environment with sendmail as SMTP-server. (See also the [81]Future
   Outlook section of this document
     * [82]Get the package,
     * untar contents into a temporary directory,
     * read the instructions
     * be sure all required programs have been installed
     * run ./configure
     * run make
     * run make install
     * [83]modify your /etc/sendmail.cf (This will be done automagically
       in 0.2.0 final release)
     * send a SIGHUP to your SMTP server ("killall -HUP sendmail")
     * [84]test your installation
       
  3.2 Modifying /etc/sendmail.cf manually
  
   In your sendmail configuration file (usually /etc/sendmail.cf) the
   local mail delivery agent needs to be changed (typically this is one
   of procmail, deliver or mail)
   Find the line that begins with Mlocal and change the call for the
   program which resides after the "P=" directive. This has also to be
   changed after the "A=" directive:
   For example:
   
     Mlocal, P=/usr/bin/procmail, F=lsDFMAw5:/|@SPfhn, S=10/30, R=20/40,
     T=DNS/RFC822/X-Unix,
     A=procmail -Y -a $h -d $u
     
   changes to:
   
     #Mlocal, P=/usr/bin/procmail, F=lsDFMAw5:/|@SPfhn, S=10/30,
     R=20/40,
     # T=DNS/RFC822/X-Unix,
     # A=procmail -Y -a $h -d $u
     Mlocal, P=/usr/sbin/scanmails, F=lsDFMAw5:/|@SPfhn, S=10/30,
     R=20/40,
     T=DNS/RFC822/X-Unix,
     A=scanmails -Y -a $h -d $u
     
   Please have a look at the FAQ if this leads to a malfunction.
   
  3.3 Test Installation
  
   So, how do you test if your installation has been successful? Don't
   ask me to send a wild virus ;-). Instead, create a file called
   eicar.com with the following contents:
   
   X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
   (The file should end up being 69 bytes long).
   This is recognized both by McAfee and Dr. Solomon as a test pattern.
   It is NOT a virus, just a test pattern that triggers the alert. Use
   this file in your mail. Try sending it as binhex, tar'ed, gzip'ed,
   uuencoded, etc.
     _________________________________________________________________
   
4. Download

   Current Version 0.2.0-pre6 is available at
   [85]http://aachalon.de/AMaViS/amavis-0.2.0-pre6.tar.gz (97K)
     _________________________________________________________________
   
5. Future Outlook

    Features to be added to next Version:
    
     * simple installation and configuration via script for more systems
     * scanning of outgoing and relayed email
     * built-in support of other mail transport agents (e.g. smail,
       qmail, exim...)
     * apply "sendmail hack" directly in M4 configuration file
     * ...
     _________________________________________________________________
   
6. Bugs

     * Perhaps still bugs and shortcomings whith GNU-AutoConfig and
       GNU-AutoMake
     * Documentation should be more accurate
       
   Send bugreports to: [86]amavis@aachalon.de Please include information
   about the system you are using (eg. Linux, Solaris,...), the OS or
   distribution release (eg. RedHat 5.2, SuSE 6.0, SUN Solaris 2.6, ...)
   and anything that might be useful to trace a bug or shortcoming (like
   exerpts from your logfile which ususally is
   /var/log/scanmails/logfile)...
   
7. Disclaimer

   The software is provided as is. Please bear in mind that we have done
   this in our spare time. While it is as accurate as we could make it
   there is a reasonable chance that there are mistakes somewhere in
   here. If you email [87]us and tell us about them we will be happy to
   fix them but we can't take responsibility for your system. Basically
   use this at your own risk.
   
7. Copyright

   AMaViS - A Mail Virus Scanner (c) 1997..99 Mogens Kjaer, Carlsberg
   Laboratory, [88]mk@crc.dk, Jrgen Quade, Softing GmbH,
   [89]quade@softing.com, Christian Bricart, [90]shiva@aachalon.de
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the [91]GNU General Public License as published
   by [92]the Free Software Foundation; either version 1, or (at your
   option) any later version.
   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the [93]GNU
   General Public License for more details. 
   
   Product names and various content (including but not limited to audio,
   video, and graphics) are trademarks of their respective owner.
     _________________________________________________________________
   
8. Credits

     * initial code
       
   Mogens Kjaer
     * minor modifications
     * press work
       
   Jrgen Quade
     * minor modifications and enhancements
     * official Website
     * official support e-mail adress
     * packet mainenance
       
   Christian Bricart
     _________________________________________________________________
   
9. AMaViS in the Press

     * 22. Jan 1998 [94]iX - Magazin fr professionelle Computertechnik
       2/1998 (german)
     * 21. Jan 1999 iX - Magazin fr professionelle Computertechnik
       2/1999 (german), page 30
     * 25. May 1999 [95]c&t Magazin fr Computertechnik 11/1999 (german),
       page 132 ff. (133)
     _________________________________________________________________
   
10. History and Changes

   for a full description of changes have a look at the [96]ChangeLog
     * Version 0.2.0-pre6 (20. Jul 1999)
          + root exploit fix recode to work with non Bash2
          + fix misplaced "fi" in if-clause
     * Version 0.2.0-pre5 (19. Jul 1999)
          + fixed possible exploit allows that allowed for malicious
            users to insert arbitrary commands
          + updated zipsecure to work with self-extracting ZIP's
          + optional line in mail header after scanning
          + AVP support
     * Version 0.2.0-pre4 (31. Mar 1999)
          + fixed empty helper application bug ("if [ -x ${prog} ]"
            always true when $prog=(empty))
          + mail gets dumped if there is no program for delivery
     * Version 0.2.0-pre3 (29. Mar 1999)
          + added Sophos Anti-Virus scanner support
          + added new archive handlers
          + (hopefully) improved configure
     * Version 0.2.0-pre2 (25. Feb 1999)
          + fixed some possible loops in handling archives
          + added some comments in BUGS
          + changed version numbering in tarball, now conform to GNU
     * Version 0.2.0pre1 (08. Dec 1998)
          + switched to GNU-AutoConfig
          + droped security fix from 0.1.1 in favour to "zipsecure" and
            "securetar"
          + H&BEDV AntiVir/X scanner added
          + enhanced logging via syslogd
          + many fixes more
     * Version 0.1.1 (28. Jan 1998)
          + untar and unzip is now done by user "nobody" -> security fix
          + ${virusmaildir} (default /root/virus) is now created
          + Logfile is now REALLY created in specified log-directory
     * Version 0.1.0 (17. Jan 1998)
          + first official release
          + assigned a package name "AMaViS - A Mail Virus Scanner"
          + package maintenance assigned to Christian Bricart with
            official email adress [97]amavis@aachalon.de and official
            Website at [98]http://aachalon.de/AMaViS/
          + minor recoding of scanmails
          + installation enhancements
     * initial, unsupported base version
          + never released officially to the public
          + original code done by Mogens Kjaer, Carlsberg Laboratory,
            [99]mk@crc.dk
          + Modified by Jrgen Quade, Softing GmbH,
            [100]quade@softing.com
     _________________________________________________________________
   
   latest changes 20. Jul 1999 [101]amavis@aachalon.de

References

   1. mailto:shiva@aachalon.de
   2. file://localhost/home/bricart/AMaViS/doc/amavis.html#intro
   3. file://localhost/home/bricart/AMaViS/doc/amavis.html#require
   4. file://localhost/home/bricart/AMaViS/doc/amavis.html#scanners
   5. file://localhost/home/bricart/AMaViS/doc/amavis.html#mcafee
   6. file://localhost/home/bricart/AMaViS/doc/amavis.html#drsolomon
   7. file://localhost/home/bricart/AMaViS/doc/amavis.html#antivir
   8. file://localhost/home/bricart/AMaViS/doc/amavis.html#sophos
   9. file://localhost/home/bricart/AMaViS/doc/amavis.html#avp
  10. file://localhost/home/bricart/AMaViS/doc/amavis.html#sendmail
  11. file://localhost/home/bricart/AMaViS/doc/amavis.html#qmail
  12. file://localhost/home/bricart/AMaViS/doc/amavis.html#metamail
  13. file://localhost/home/bricart/AMaViS/doc/amavis.html#decomp
  14. file://localhost/home/bricart/AMaViS/doc/amavis.html#uudecode
  15. file://localhost/home/bricart/AMaViS/doc/amavis.html#uncompress
  16. file://localhost/home/bricart/AMaViS/doc/amavis.html#gunzip
  17. file://localhost/home/bricart/AMaViS/doc/amavis.html#unzip
  18. file://localhost/home/bricart/AMaViS/doc/amavis.html#unarj
  19. file://localhost/home/bricart/AMaViS/doc/amavis.html#unrar
  20. file://localhost/home/bricart/AMaViS/doc/amavis.html#xbin
  21. file://localhost/home/bricart/AMaViS/doc/amavis.html#lha
  22. file://localhost/home/bricart/AMaViS/doc/amavis.html#bunzip2
  23. file://localhost/home/bricart/AMaViS/doc/amavis.html#zoo
  24. file://localhost/home/bricart/AMaViS/doc/amavis.html#arc
  25. file://localhost/home/bricart/AMaViS/doc/amavis.html#freeze
  26. file://localhost/home/bricart/AMaViS/doc/amavis.html#install
  27. file://localhost/home/bricart/AMaViS/doc/amavis.html#instsoft
  28. file://localhost/home/bricart/AMaViS/doc/amavis.html#modsendmail
  29. file://localhost/home/bricart/AMaViS/doc/amavis.html#test
  30. file://localhost/home/bricart/AMaViS/doc/amavis.html#download
  31. file://localhost/home/bricart/AMaViS/doc/amavis.html#outlook
  32. file://localhost/home/bricart/AMaViS/doc/amavis.html#bugs
  33. file://localhost/home/bricart/AMaViS/doc/amavis.html#disclaimer
  34. file://localhost/home/bricart/AMaViS/doc/amavis.html#copyright
  35. file://localhost/home/bricart/AMaViS/doc/amavis.html#credits
  36. file://localhost/home/bricart/AMaViS/doc/amavis.html#press
  37. file://localhost/home/bricart/AMaViS/doc/amavis.html#history
  38. http://www.linux.org/
  39. http://www.mcafee.com/
  40. http://ftpsearch.lycos.com/cgi-bin/search?query=naix3.%2B%5C.tar&doit=Search&type=Regular+expression+search&hits=50&sort=date
  41. http://ftpsearch.lycos.com/cgi-bin/search?query=nhp3.%2B%5C.tar&doit=Search&type=Regular+expression+search&hits=50&sort=date
  42. http://ftpsearch.lycos.com/cgi-bin/search?query=nlxb3.%2B%5C.tar&doit=Search&type=Regular+expression+search&hits=50&sort=date
  43. http://ftpsearch.lycos.com/cgi-bin/search?query=nncr3.%2B%5C.tar&doit=Search&type=Regular+expression+search&hits=50&sort=date
  44. http://ftpsearch.lycos.com/cgi-bin/search?query=nss3.%2B%5C.tar&doit=Search&type=Regular+expression+search&hits=50&sort=date
  45. ftp://ftp.mcafee.com/pub/antivirus/unix/
  46. ftp://ftp.mcafee.com/pub/antivirus/datfiles/3.x/
  47. http://www.avertlabs.com/public/datafiles/3xupdates.asp
  48. http://ftpsearch.lycos.com/cgi-bin/search?query=VAIX4.%2BE%5C.TAR%5C.Z&doit=Search&type=Regular+expression+search&hits=50&sort=date
  49. http://ftpsearch.lycos.com/cgi-bin/search?query=VHPX4.%2BE%5C.TAR%5C.Z&doit=Search&type=Regular+expression+search&hits=50&sort=date
  50. http://ftpsearch.lycos.com/cgi-bin/search?query=VLNX4.%2BE%5C.TAR%5C.Z&doit=Search&type=Regular+expression+search&hits=50&sort=date
  51. http://ftpsearch.lycos.com/cgi-bin/search?query=VSCO4.%2BE%5C.TAR%5C.Z&doit=Search&type=Regular+expression+search&hits=50&sort=date
  52. http://ftpsearch.lycos.com/cgi-bin/search?query=VSUN4.%2BE%5C.TAR%5C.Z&doit=Search&type=Regular+expression+search&hits=50&sort=date
  53. http://www.avertlabs.com/tvdbeta/unix/download.htm
  54. ftp://ftp.mcafee.com/pub/antivirus/datfiles/4.x/
  55. http://www.avertlabs.com/public/datafiles/4xupdates.asp
  56. http://www.drsolomon.com/products/avtk/ps_sco.html
  57. http://www.nai.com/
  58. http://www.hbedv.com/
  59. mailto:linux_support@antivir.de
  60. http://www.sophos.com/
  61. http://www.sophos.com/products/antivirus/savunix.html
  62. http://www.sophos.com/downloads/full/
  63. http://www.avp.ru/
  64. http://www.kasperskylab.ru/eng/products/eval.html
  65. http://www.kasperskylab.ru/eng/products/eval.html
  66. file://localhost/home/bricart/AMaViS/doc/amavis.html#outlook
  67. http://www.sendmail.org/
  68. http://www.qmail.org/
  69. ftp://ftp.funet.fi/pub/Linux/kernel/net-source/mail/tools/
  70. ftp://ftp.gnu.org/gnu/sharutils/
  71. file://localhost/home/bricart/AMaViS/doc/amavis.html#gunzip
  72. ftp://sunsite.unc.edu/pub/Linux/utils/compress/compress.tar.Z
  73. ftp://sunsite.unc.edu/pub/Linux/compress/gzip-1.2.4L.tar.gz
  74. ftp://suntite.unc.edu/pub/Linux/utils/compress/gzip-pentium-elf.gz
  75. ftp://sunsite.unc.edu/pub/Linux/utils/compress/
  76. ftp://sunsite.unc.edu/pub/Linux/utils/compress/
  77. ftp://sunsite.unc.edu/pub/Linux/utils/compress/
  78. ftp://sunsite.unc.edu/pub/packages/TeX/tools/xbin/xbinunix.c
  79. http://www.muraroa.demon.co.uk/
  80. http://metalab.unc.edu/pub/Linux/utils/compress/
  81. file://localhost/home/bricart/AMaViS/doc/amavis.html#outlook
  82. file://localhost/home/bricart/AMaViS/doc/amavis.html#download
  83. file://localhost/home/bricart/AMaViS/doc/amavis.html#modsendmail
  84. file://localhost/home/bricart/AMaViS/doc/amavis.html#test
  85. http://aachalon.de/AMaViS/amavis-0.2.0-pre6.tar.gz
  86. mailto:amavis@aachalon.de
  87. mailto:amavis@aachalon.de
  88. mailto:mk@crc.dk
  89. mailto:quade@softing.com
  90. mailto:shiva@aachalon.de
  91. http://www.gnu.org/copyleft/gpl.html
  92. http://www.gnu.org/fsf/fsf.html
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  94. http://www.heise.de/ix/artikel/1998/02/136/
  95. http://www.heise.de/ct/
  96. http://aachalon.de/AMaViS/ChangeLog.txt
  97. mailto:amavis@aachalon.de
  98. http://.aachalon.de/AMaViS/
  99. mailto:mk@crc.dk
 100. mailto:quade@softing.com
 101. mailto:amavis@aachalon.de
