Comments on: Exchange 2003 – Spam Attack Internal & External – Part 1… http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/ | The Ramblings of an Exchange Admin | Wed, 02 Dec 2009 12:51:12 +0000 http://wordpress.com/ hourly 1 By: gastonpuentes http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2909 gastonpuentes Wed, 13 Feb 2008 23:19:42 +0000 http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2909 first at all, sorry for my bad inglish. but i really need some help. i`ve Exchange 2003 SP2, how can i avoid to recive mail from my own domain, i cant restrict the smtp, i closed smtp to send to external domain, but i still reciving mail (spam) from my domain. I`w really apreciate some help. Thanks, Thanks first at all, sorry for my bad inglish. but i really need some help.
i`ve Exchange 2003 SP2,
how can i avoid to recive mail from my own domain, i cant restrict the smtp, i closed smtp to send to external domain, but i still reciving mail (spam) from my domain.

I`w really apreciate some help.
Thanks, Thanks

]]> By: Exchange 2003 - Spam Attack Internal & External - Part 3 (SPAM)… « telnet 127.0.0.1 25 http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2908 Exchange 2003 - Spam Attack Internal & External - Part 3 (SPAM)… « telnet 127.0.0.1 25 Sat, 26 Jan 2008 13:20:42 +0000 http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2908 [...] & External - Part 3 (SPAM)… In my previous two articles on this subject (located here and here) I discussed how it is important to be aware of both internal and external attacks against [...] [...] & External – Part 3 (SPAM)… In my previous two articles on this subject (located here and here) I discussed how it is important to be aware of both internal and external attacks against [...]

]]> By: Exchange 2003 - Spam Attack Internal & External - Part 2 (Open Relay)… « telnet 127.0.0.1 25 http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2907 Exchange 2003 - Spam Attack Internal & External - Part 2 (Open Relay)… « telnet 127.0.0.1 25 Sun, 09 Dec 2007 21:14:39 +0000 http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2907 [...] External - Part 2 (Open Relay)… In the last article on this subject (which is located here) I shared with you some thoughts that I had about how the structure of your Exchange environment [...] [...] External – Part 2 (Open Relay)… In the last article on this subject (which is located here) I shared with you some thoughts that I had about how the structure of your Exchange environment [...]

]]> By: Andy Grogan http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2905 Andy Grogan Sat, 03 Nov 2007 16:22:12 +0000 http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2905 That's a really good point, I did say in the article that the three examples given would have variations in between, however, you are totally correct that a securer and cheap option is the stick a 'nix box in the way. Thanks for posting! That’s a really good point, I did say in the article that the three examples given would have variations in between, however, you are totally correct that a securer and cheap option is the stick a ‘nix box in the way.
Thanks for posting!

]]> By: Alex http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2906 Alex Sat, 03 Nov 2007 13:13:19 +0000 http://telnetport25.wordpress.com/2007/10/25/exchange-2003-spam-attack-internal-external-part-1/#comment-2906 There's the 4th scenario for small organizations: poping mailbox content with POP3 connector. This works very well if you don't have more than 20-30 mailboxes (depending of the POP3 connector, you can get performance for up to 100 mailboxes) and you. Microsoft don't like this one because they want to sell multiple products to the same client (Exchange Edge, ISA, Forefront and so on). Another really cheap solution consist to put a stronly hardened Nix box mailgateway (i.e. FreeBSD + Qmail or Postfix + Kaspersky AV/Antispam) in front of Exchange server and SPAM will be the word that you will never hear again. :) There’s the 4th scenario for small organizations: poping mailbox content with POP3 connector. This works very well if you don’t have more than 20-30 mailboxes (depending of the POP3 connector, you can get performance for up to 100 mailboxes) and you.

Microsoft don’t like this one because they want to sell multiple products to the same client (Exchange Edge, ISA, Forefront and so on).

Another really cheap solution consist to put a stronly hardened Nix box mailgateway (i.e. FreeBSD + Qmail or Postfix + Kaspersky AV/Antispam) in front of Exchange server and SPAM will be the word that you will never hear again. :)

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