dictionary attack

Ejaz mejaz at cyberia.net.sa
Sat Feb 19 06:50:38 GMT 2011


All, 

 

Yes it's true we are accepting emails from anywhere and anyone there is no
recipient table exist on the server (function of this server is  to filter
incoming mails ) and then redirecting them as per the transport file   

 

Ejaz 

 

-----Original Message-----
From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Naz
Snidanko
Sent: Friday, February 18, 2011 11:18 PM
To: MailScanner discussion
Subject: RE: dictionary attack

 

>From what I understand he is not using recipient table and accepting email
for anything @cyberia.net.sa. Are you using MailScanner server in gateway
mode, or is this server is the final destination for your email?

 

Naz Snidanko

Desktop & Network Support

Harper Power Products Inc.

(p) 416 201- 7506

 nsnidanko at harperpowerproducts.com

-----Original Message-----

From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Mikael
Syska

Sent: February 18, 2011 3:09 PM

To: MailScanner discussion

Subject: Re: dictionary attack

 

Hi,

 

<joke>

Go offline ... then they can't attack your domain.

</joke>

 

What seems to be the problem? Since you can't really make them stop

... there arent much you can do other than deny delivery for unknown

users in your system ... and then scan the rest.

 

Still ... I can't see the problem.

 

mvh

Mikael Syska

 

On Fri, Feb 18, 2011 at 8:44 PM, Ejaz <mejaz at cyberia.net.sa> wrote:

> Hello,

> 

> 

> 

> Now days there is lots of dictionary attacks towards my domain, find the

> below one of the example, would any one please help me how can I prevent

> such attacks,

> 

> 

> 

> In my Linux machine, I have postfix, MailScanner, Spamassasin and clamav,

> 

> 

> 

> 

> 

> 

> 

> 

> 

>  xulmymyzfjkaf at boutiquesearchfirm.com

> 

>                                          nkanta at cyberia.net.sa

> 

>                                          nm2001 at cyberia.net.sa

> 

>                                          nmj at cyberia.net.sa

> 

>                                          nmj_textile at cyberia.net.sa

> 

>                                          nmjnn at cyberia.net.sa

> 

>                                          nnasmac at cyberia.net.sa

> 

>                                          nnasmacb at cyberia.net.sa

> 

>                                          nnasmacd at cyberia.net.sa

> 

>                                          nnasmacdd at cyberia.net.sa

> 

>                                          nnasr at cyberia.net.sa

> 

>                                          nnsisco at cyberia.net.sa

> 

>                                          noda at cyberia.net.sa

> 

>                                          nomer1 at cyberia.net.sa

> 

>                                          nospam at cyberia.net.sa

> 

>                                          notify at cyberia.net.sa

> 

>                                          nour at cyberia.net.sa

> 

>                                          noura at cyberia.net.sa

> 

>                                          nozhamed at cyberia.net.sa

> 

>                                          nplumbly at cyberia.net.sa

> 

>                                          ns at cyberia.net.sa

> 

>                                          nsaf-riyadh at cyberia.net.sa

> 

>                                          nsaurabia at cyberia.net.sa

> 

> 

> 

> 

> 

> 

> 

> Regards,

> __________________

> Ejaz

> Sr,Systems Administrator

> Middle East Internet Company (CYBERIA)

> Riyadh, Saudi Arabia

> Phone: +966-1-4647114  Ext: 140

> Mobile +966-562311787

> Fax: +966-1-4654735

> E-mail: mejaz at cyberia.net.sa

> 

> 

> 

> --

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> dangerous content by MailScanner, and is

> believed to be clean.

> --

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> 

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> 

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> 

> 

--

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Before posting, read http://wiki.mailscanner.info/posting

 

Support MailScanner development - buy the book off the website!

 

-- 

This message has been scanned for viruses and

dangerous content by cyberia MailScanner, and is

believed to be clean.


-- 
This message has been scanned for viruses and
dangerous content by cyberia MailScanner, and is
believed to be clean.

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