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Door , , 4 reacties
Bron: MailScanner

MailScanner is een opensourcefilter om spam en virussen te verdrijven uit het binnenkomende e-mailverkeer. Het gebruikt SpamAssassin in combinatie met white- en blacklists voor het filteren van spam. Voor het filteren van virussen wordt ClamAV meegeleverd maar ondersteuning voor andere virusscanners zoals BitDefender, McAfee en Sophos is aanwezig. Voor meer informatie verwijzen we jullie door naar deze Faq-O-Matic. De ontwikkelaar heeft versie 4.50.14 de deur uitgedaan met de volgende aankondiging:

Released stable version 4.50. This version is considerably faster than previous versions, it is definitely worth upgrading to this release. It has been a very busy month, and there are over 35 new additions, improvements and extra features. To get a default sendmail setup, no modifications are required to MailScanner.conf as the list of virus scanners is now auto-detected, among other things. There are now a whole load of command-line options, you can get the list with "MailScanner --help". I nearly made this version 5.

New Features and Improvements:
  • Speed increased significantly! Caches SpamAssassin results.Note you need to run my install.sh script to get the new modules required.
  • If "Virus Scanners = auto" (ie. the installed default value) then it searches for and uses every available installed virus scanner.
  • Added SpamAssassin cache analyser (analyse_SpamAssassin_cache) to the distributions. 99% written by Steve Freegard of MailWatch fame.
  • Upgraded ClamAV+SA bundle to ClamAV 0.88.
  • Added default headers that Thunderbird 1.5 will use to automatically identify spam based on SpamAssassin's spam headers.
  • Added UU-decoder to automatically extract files from attachments that were stored in uu-encoded form. This behaves similarly to the zip and rar decoders. The virus scanners should check inside these files for themselves anyway, but this assists them when they do not. It also allows for filename and filetype checking of files stored in uu-encoded attachments.
  • Added configuration option "Find UU-Encoded Files" to set whether uu-encoded files are decoded or not. These files are very rarely used, and the overhead of finding them is fairly large as it involves reading all existing attachments looking for the signature of them. So the default is to not look for them. A ruleset can be used to protect particularly vulnerable recipients or senders.
  • You can now start up MailScanner without changing MailScanner.conf at all. It will auto-detect SpamAssassin and all available virus scanners.
  • Changed default setting to "Use SpamAssassin = yes" and now auto-detect installation of SpamAssassin, logging installation instructions if it is not already installed and working.
  • Added DBI and DBD::SQLite Perl modules. Please use my install.sh scripts when you upgrade or install this version.
  • Added American spelling of "analyze_SpamAssassin_cache" as well as English spelling of "analyse_SpamAssassin_cache".
  • DBI installation is forced in RPM distributions.
  • Improved RPM installer to handle DBI module dependencies better. It now installs cleanly on the systems I have tested it on. These include Fedora Core 3, Fedora Core 4, SuSE 9.3, SuSE 10, RedHat Enterprise 4.
  • Made log warnings more obvious when DBI/DBD::SQLite/Digest::MD5 are not all installed properly.
  • Improved comments about "Allow Filenames" and "Allow Filetypes" in MailScanner.conf.
  • Improvement to F-Prot output parser to handle new strings.
  • Changed filename/type traps to account for new vulnerability in TNEF files.
  • Adapted trend-autoupdate for 2006 onwards.
  • --help implemented so you can see how to use it now.
  • --debug now written. Works just like "Debug = yes" in MailScanner.conf.
  • --debug-sa now written. Works just like "Debug SpamAssassin = yes".
  • --check ruleset-checker now written. Takes max 1 from address, multiple to addresses, client IP address and virus name.
  • Added a new command-line parameter "--lint" to verify the config file.
  • --lint now prints what virus scanners you have chosen to use, and what
  • --lint now checks SpamAssassin configuration too. scanners it can find installed.
  • Added hi-res timing so the batch speed timings are now displayed to micro-second accuracy.
  • Added Time::HiRes to the list of required modules. You must use ./install.sh to upgrade to, or install, this version in order to get the new module. Time taken to process the entire batch is logged, and time taken to do "Always Looked Up Last" is logged separately if it is being used at all.
  • Added check that MailScanner.conf has at least been customised to set the organisation name, long name and web site.
  • Added "SpamAssassin Cache Timings" configuration option for the few people who need to adjust these settings. Do *not* change it unless you really know what you are doing, the default settings will work nicely.
  • Updated important perl modules.
  • Removed duplicate logging of warnings about infected messages.
  • Added detection of no virus scanners being installed, giving the user advice about how to install ClamAV using my easy-installation package.
  • Improved ClamAV+SA easy-installation package so that it automatically enables the updates by commenting out the "Example" lines.
  • Changed default Lock Type for sendmail to "posix" instead of "flock" as new Linux systems (the most popular platform by far) run sendmail 8.13 or later, which requires this to be "posix".
  • Upgraded Sys::Hostname::Long and HTML::Parser in ClamAV+SA package.
  • Disabled movie format "deny" rules in filetype.rules.conf and have enabled filetype checking by default.
  • Updated man pages.
  • Updated AVG parser to handle latest version 7.1.
  • Added "Always Looked Up Last After Batch" which is looked up after the "Always Looked Up Last" option. The 2nd of those is looked up once for each message, the "...After Batch" value is looked up once for the entire batch. It is only intended for use with a Custom Function, its value is ignored.
Fixes:
  • Improved reliability of Bayes rebuilds a lot.
  • Force installation of DBI as previous versions cause problems.
  • Removed broken patch I was given, which was temporarily in 4.50.
  • Packaging bug in 4.50.9-1 fixed. MailTools version typo.
  • Fixed bug where temporary files were not cleaned up properly.
  • Fixed missing HTML-Parser 3.48 package.
Versienummer:4.50.14
Besturingssystemen:Linux, BSD, macOS, Solaris
Website:MailScanner
Download:http://www.sng.ecs.soton.ac.uk/mailscanner/downloads.shtml
Licentietype:GPL
Moderatie-faq Wijzig weergave

Reacties (4)

ik gebruik amavis-new ... wat is het voordeel van deze op amavis?
Wij draaien een wat verouderde versie van Mailscanner in het bedrijf. Werkt Super!!, we gebruiken ook nog antigen voor virusscanning in de tweede trap, maar die heeft sinds de invoering van Mailscanner aanzienlijk minder voor zijn kiezen. En dan gebruiken we in Mailscanner nog niet eens de mogelijkheden van de virusscanner....
Ik heb persoonlijk geen ervaring met MailScanner, maar - helaas - wel met ClamAV. M'n kabelprovider Multikabel gebruikt namelijk ClamAV voor het scannen van de uitgaande mail (op smtp.quicknet.nl) en daar geeft ie de laatste tijd nogal 'false positives' bij het versturen van .rar attachments (uitsluitend bij .rar en met steeds verschillende virii-meldingen die 100% zeker niet kloppen). Heb de helpdesk gemaild, maar die zijn nu al 3 weken bezig met het 'uitzoeken' ... |:(

Iemand dezelfde ervaring met ClamAV ?
Mijn advies zou in ieder geval zijn: houdt er rekening mee als je MailScanner config't en 'm niet al teveel in paranoia-mode instelt :7
ik gebruik het simpele K9.
lekker klein en effectief als je het mij vraagt.
virussen scan ik gewoon met NOD32

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