Server :: MailScanner Blocking Docx Files?
Sep 17, 2010
My MailScanner running on CentOs is blocking docx files, saying "The original e-mail attachment "****.docx" is on the list of unacceptable attachments for this site and has been replaced by this warning message.
I've tried adding it the list of allowed files:
/etc/MailScanner/filename.rules.conf:
allow .docx$ - -
but it still blocks them.
I've also tried manually coping the message file from the /var/spool/MailScanner quarantine/ directory into /var/spool/postfix/incoming
but this did not result in the mail being delivered.
I desperately need these mails released, and docx files to be allowed unconditionally. Anyone know why the above isn't working? Failing that, can all file blocking be turned off? I'd rather have virus relayed than legitimate mails blocked.
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Feb 8, 2010
Is there a way to at least convert these files to a different format without using MS Office? I have no access to MS Office (100% non MS user) and I wasn't able to open a .docx file with OOo or AbiWord.
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Jul 27, 2011
I am using postfix as spam Mailscanner to protect my mail server running sendmail. The problem is that when I forward an email from MailScanner mail me back with the following error:
<postmaster@localhost.@mydomain.com.>... Real domain name required for sender address (in reply to MAIL FROM command))
Jul 27 13:15:59 smtp postfix/local[28465]: C68AC1000001: to=<root@smtp.mydomain.com>,
[code]....
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Jan 20, 2011
I'm trying to open a Windows '.docx' file on Open Office 3.2 and it just crashes.
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Feb 14, 2010
does anyone know how to open .doc .ppt .xls .docx.... files using java ? i found just Apache POI but it can open just .xls files.
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Nov 1, 2010
Is there any program in Ubuntu that can open .docx files natively? I know that open office can open .doc files, but I need a program that can open .docx files. It also has to be able to read the embedded data, such as text themes and bibliography data. Conversion is no good. I have been using Office 2007 through Crossover, but for some reason it can only have one window open at a time, which severely limits what I can do.
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Apr 12, 2011
I have to use and update many documents on a network share in my organization. I am using OpenOffice 3.2 (latest and Greatest). When I go to the document that I need via the network share, I can open up the document no problem at all but the minute I attempt to save it, it will freeze and I have to:
PHP Code:
pgrep soffice| xargs -i kill -9 {}
Kill it. To get it to work I have to save the document from a .docx format to a .doc format then all works well. Unfortunately, all of my coworkers use the latest and greatest of MS Office.
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Dec 13, 2010
i have a postfix mail server in my office and mailscanner. recently i changed the password of mailscanner's admin login 'mailwatch' and now i m unable to get login in postfixmail scanner. even i changed the password of mailwatch user from mysql database, bt it does not work. get login into mailscanner to chk the mails of all users.
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Jun 21, 2011
The OpenOffice word processor can open and read Microsoft Word files containing XML (.docx) perfectly well, but it--or KDE--does not seem to recognize a .docx by default. To open one with OpenOffice, I have to manually tell OpenOffice to open it, by going through the "open with" option on the right-click menu and specifying soffice. That's obviously not a problem, but it's a minor curiosity. Haven't Word XML files been around long enough that KDE and OpenOffice should recognize them immediately?
I'm not quite sure which to blame this on--KDE or OpenOffice--but KDE seems more logical. And is this a small limitation of KDE 3.5? because I'm still using 3.5. (I'm trying to switch over to Trinity, but have not made the switch yet.)
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Mar 18, 2011
I have recently installrf MailScanner on my CentOS 5.5 and followed this instruction [URL] However, my postfix doesn't seems to be working after the installation. All the emails sent (using squirrel) mails are being held at /var/spool/postfix/hold
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Dec 26, 2010
I am trying to set up a Mail Server -- Virtual Users with Postfix, PostfixAdmin, Courier, Mailscanner, ClamAV On CentOS 5.5 using this guide. These are the version and softwares I have used till now:-
[Code]....
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Mar 23, 2010
For system calls, is blocking or non-blocking default in C? Simple question, just am not seeing the answer super quickly.
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Dec 25, 2010
I have a device that is working on modbus protocol andI have written a small program(with block TCP read method ) to read its registers via modbus protocol.my program is working very well but except those times that I unplug the Ethernet cable or turning off the modbus gateway during programs work.at this time my program stops on recv system call (if it reach this system call exacly when I unplug Ethernet cable or turning off the modbus gateway during programs work).I changed my source to work in nonblock TCP method, at this time with the same situation my program does not stop/block on recv system call but after pluging back the Ethernet cable or resuming the connectivity situation back it reads data incorrectly .this is my code:Quote:
#define DEBUG
#include <fcntl.h>
#include <string.h>
[code]...
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Jun 16, 2011
We are running MailScanner 4.83.4-1 on a CentOS 5.6 64-bit distribution. The status of MailScanner was checked hourly via the check_mailscanner script, and normally the e-mailed result was:
Quote:
Which indicated the process was running without issue.
The server in question sits outside the company firewall, and was configured to deliver e-mail messages directly to their intended recipients. Our company recently changed its policy concerning external e-mail servers to require them to send their e-mails to their destinations via an e-mail gateway server. Consequently, the server was reconfigured to relay its messages to the gateway, and is no longer delivering messages directly to their recipients.
When the change was made, I noticed the check_mailscanner script was sending a new message which read as follows:
Quote:
I have tried starting and restarting the MailScanner software via the /etc/init.d/MailScanner script. The output of the script seems to indicate that MailScanner starts, but a subsequent check for the application via the ps -ef |grep MailScanner command shows the command is not running.
I checked the /var/log/maillog file for any reference to this when I did the restart of MailScanner, and the excerpt shown below coincides with the time that I ran the script:
Quote:
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Aug 27, 2010
i already installed mailscanner and other component as well as. the problem is when i log to mailwatch gui, mailscanner and postfix status show no.--it's should be show yes ..
how to overcome that or enable that problem?
how to setting mailscanner using postfix should the mail will filter first before pass to mailserver.
anybody have configuration file that's work well on setting mailscanner using postfix?
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Jan 3, 2011
I've a CentOS Box with no control panel.. I used to manage it via SSH. Any way, I've installed CSF/LFD on it.. and it seemed to be working just fine. The only problem I've encountered is that when I start and enable CSF, messages and emails keeps stocked in the mail queue.. I've double checked and made sure needed ports are opined.. But, I still have the problem.
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Feb 6, 2010
I'm using ubuntu, not seeing any errors within the logs so I'm looking for some advice on why MailScanner is starting postfix? (i.e. if both are stopped, I should only need to start MailScanner instead of both applications, correct?)
Looking through the MailScanner.conf I so see this section code...
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Dec 23, 2010
I have a Debian server running at the gateway level on a LAN. This runs squid for creating block lists of websites - for eg. blocking social networking on the LAN. Also uses iptables.
I am able to do a lot of things with squid & iptables, but a few things seem difficult to achieve.
1) If I block http://www.facebook.com, people can still access https://www.facebook.com because squid doesn't go through https traffic by default. However, if the users set the gateway IP address as proxy on their web browser, then https is also blocked. So I can do one thing - using iptables drop all outgoing 443 traffic, so that people are forced to set proxy on their browser in order to browse any HTTPS traffic. However, is there a better solution for this.
2) As the number of blocked urls increase in squid, I am planning to integrate squidguard. However, the good squidguard lists are not free for commercial use. Anyone knows of a good squidguard list which is free.
3) Block yahoo messenger, gtalk etc. There are so many ports on which these Instant Messenger softwares work. You need to drop lots of outgoing ports in iptables. However, new ports get added, so you have to keep adding them. And even if your list of ports is current, people can still use the web version of gtalk etc.
4) Blocking P2P. Haven't been able to figure out how to do this till now.
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Feb 8, 2011
Ok so, buddy of mine has his ssh server setup and upon checking his logs he sees a ton of failed attempts. Now obviously these are people that are scanning him and trying to brute force him. So is there a way to block them? We know you can block each IP but is there a way to block ALL connections except for certain ones, such as his and mine? Maybe a couple others.
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Jun 6, 2011
I configured squid in oracle enterprise linux 5.I want to block skype access.i configured the following to block skype.but it is not blocking.acl skype_blocking urlpath_regex [0-9]+.[0-9]+.[0-9]+.[0-9]+ http_access deny skype_blocking
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Jun 3, 2010
How can I block certain countries from accessing my server in any capacity? Is this possible? What do I need to add to my /etc/hosts.deny for this?
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May 8, 2010
I would like to COMPLETELY block a specific IP address using iptables. I found this one:
Code:
iptables -A INPUT -p tcp -s xxx.xxx.xxx.xxx -j REJECT --reject-with tcp-reset
Will this work? How do I undo the changes later?
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Feb 4, 2011
How to block an ip address from mikrotik so that when a fake user use this ip he doesn't get internet but in the mean time real user gets internet. Real user will not harm if fake user trying to access.
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Nov 7, 2010
My Pastebin for .HTACCESSIf you can offer any tips on improvements..but the main reason: I cannot get the bots to stop showing up.Esp the first one in the list.I need to block these two specifically
Code:
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8
&
[code]....
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Apr 6, 2011
I need to block mac address in my network then i foolowed as below acl's but am getting output as follows I tried as in /etc/squid/squid.conf acl block arp aa:aa:yy:yy:xx:xx http_access deny block but it give me error as like: - (This is the output of # squid -k parse) aclParseAclLine: Invalid ACL type 'arp' FATAL: Bungled squid.conf line 1234: acl block arp aa:aa:yy:yy:xx:xx squid Cache (Version 2.5.STABLE6): Terminated abnormally.
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Aug 22, 2009
I have these ACLS for video streaming like ..... & onilne tv channles. But they are also blocking downloading exe,rar,and other software connectivity like TeamViewer. What acl are bsically blocking my downloading of exes and rar files and teamviewr connectivity .
acl WMP browser Windows-Media-Player/*
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Aug 4, 2010
i am using squid proxy server to block some websites in my organization.now i was doing one testing that is, when i blocked Google. gmail automatically gets block.is there any method by which i could block google but gmail access is
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Feb 2, 2010
I have an ubuntu 8.04 dedicated server running openssh which I am having problems with.
The server is based in England yet I am currently working from Thailand. Slow speeds and timeouts I am used to but it is now over 24hr since I have managed to SSH the server (from here).
I just tried remote desktop on my PC back in the UK and this connected straight away through both SSH and SCP.
Thinking that it may be the IP being blocked from my works network I switched off wifi on my phone and tried to connect over the data network a few times with no luck.
Another strange problem is that when we got the server it was locked into a chroot jail which SSH(22) always leads into. After accessing SSH on port 22 I have to run a break script to gain root access. The sshd_config file says that the server is listening on port 57 yet I have never been able to access this.
Code:
> netstat -a | grep ssh
tcp6 0 0 [::]:ssh [::]:* LISTEN
> iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
[Code].....
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Apr 8, 2010
My Problem is: I want to stop gmail access without blocking https. Yes in my squid proxy normal [URL].. is not accessible. But gmail recently started https service by which user can still get access to gmail. I DONT WANT TO STOP https CAUSE ITS BEING USING BY OTHER PROGRAMS.
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Jan 1, 2010
Running Red Hat (not sure of the build atm) and I need to be able to put all of the IP blocking in a separate file. It will eventually be uploaded to a large number of hosting accounts, and modified from time to time...so it isn't feasible to modify that many httpd.conf files each time we need to add an IP to be blocked. In httpd.conf I can add the "Deny from" line to the following directive and blocks it just fine:
Code:
<Directory "/var/www/html">
#
# Possible values for the Options directive are "None", "All",
# or any combination of:
# Indexes Includes FollowSymLinks SymLinksifOwnerMatch ExecCGI MultiViews
[code]....
There is an include to pick up all *conf files in ../conf.d, and everything else in there is working just fine. I created a file called robots.conf; it currently has a set of mod_rewrite rules which work. So I added this to that file:
Code:
<Directory "/var/www/html">
Order allow,deny
Allow from all
Deny from 123.456.789.098
</Directory>
It is not blocking access from the IP with it in there.I've done all of the usual things; restarted Apache, cleared browser cache etc. I can also block it using that same directive in a local .htaccess.
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