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external mail - 16.Dec.2004 7:04:00 AM

parhamzamanian

Posts: 4
Joined: 16.Dec.2004
From: --
Status: offline

hi,
I am very new in exchange, in many documents I read that exchange is not recommended to use for external mail, why? , and what would you do about that, is't it that in every offices we are using external mails, what is the solution? are you using another mail server for that porpuse, or you are using a connector ??

I would appreciate if some one could answer me,

thanks a lot
parham

Post #: 1

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RE: external mail - 16.Dec.2004 12:10:00 PM

Henrik Walther

Posts: 6848
Joined: 21.Nov.2002
From: Copenhagen, Denmark
Status: offline

Where did you read that?

(in reply to parhamzamanian)

Post #: 2

RE: external mail - 18.Dec.2004 9:24:00 PM

parhamzamanian

Posts: 4
Joined: 16.Dec.2004
From: --
Status: offline

Hi,
as the matter of fact , I join to a group of exchange in yahoo , in there some body send me some documents addresses and in there I saw them,
but I am telling you that I am completely new, so if you think that this is wrong, would you help me out,

Thanks a lot
Parham

(in reply to parhamzamanian)

Post #: 3

RE: external mail - 18.Dec.2004 10:13:00 PM

Henrik Walther

Posts: 6848
Joined: 21.Nov.2002
From: Copenhagen, Denmark
Status: offline

Hi Parham,

I joined two Exchange groups on Yahoo as well (probably the same two [Smile]

), but didn't see that particular post.

But do you refer to the idea of having one or more SMTP gateway's in front of your Exchange server(s)? If yes then I agree this is a good idea as it gives an extra layer of defense, but when that's said not all organizations have the budget for dedicated SMTP gateways.

I'll be glad to help you out but must know more about your scenario and plans?

(in reply to parhamzamanian)

Post #: 4

RE: external mail - 20.Dec.2004 12:51:00 PM

parhamzamanian

Posts: 4
Joined: 16.Dec.2004
From: --
Status: offline

Hi Henrik,
This is the whole story:

I start to manage a small LAN in a part of a big company and we decide to start the service in this small LAN and then grow it to all,
What I installed is a exchange server ver.2000 and ISA server ver.2000 + symantec norton antivirus and some like , right now what I have is a completely normal dial up connection until I could start the services then we will going to have a HDSL,

In there they need internal mail, external mail, archive of the mails, shared address book, internal chat service and few more,

The idea of installing exchange server is not mine and previously I had not work on that as a professional,

Now the problem is we can not communicate with our out side pop3 in our host,
And that's all (if I could transfer it correctly and completely)

Now I need to know, what is your recommendation for us about the communication with the host and what did you exactly means of a front gateway,

Are you recommending me to have router like cisco 26xx in my LAN and lead my traffic to that point?

Are you recommending me to have internet sharing/proxy on a different computer?

Or .. I don't know, I didn't get that,

(you would forgive me because of my slowly understanding [Wink]

)

(in reply to parhamzamanian)

Post #: 5

RE: external mail - 20.Dec.2004 6:36:00 PM

Henrik Walther

Posts: 6848
Joined: 21.Nov.2002
From: Copenhagen, Denmark
Status: offline

Okay I'm with you now [Smile]

You should really consider receiving messages from your ISP via SMTP instead of POP3, if this is not an option you would need to retrieve the mail via POP3 and would therefore need a POP3 connector/downloader (see http://www.msexchange.org/software/POP3-Downloaders for a list of some of the products on the market).

What I meant with a SMTP gateway is it's good practice to have a server which receives incoming mail then filters it fom virus and spam before it's forwarded to your Exchange Server. This gives you an extra layer of defense. It doesn't have to be an Exchange server the native SMTP service in Windows 2000/2003 is just fine for this purpose (you could even use a *NIX server for this).

If your Exchange server is located behind an ISA Server you're in pretty safe hands, and actually ISA Server is capable of filtering mail as well, take a closer look at Tom Shinders article below:

CONFIGURING THE ISA SERVER FIREWALL AS A FILTERING SMTP RELAY:
http://www.tacteam.net/isaserverorg/exchangekit/2003isafilteringsmtprel ay/2003isafilteringsmtprelay.htm

Hope this helps! If not let me know...

[ December 20, 2004, 06:37 PM: Message edited by: Henrik Walther ]

(in reply to parhamzamanian)

Post #: 6

RE: external mail - 27.Feb.2005 2:57:00 PM

parhamzamanian

Posts: 4
Joined: 16.Dec.2004
From: --
Status: offline

Hi Henrik,
thanks for your grate recommendations (December 20, 2004, 06:37 PM), but some day after I got your message i had a bad accident with a car and now I am back from hospital,

I would appreciate for your help,

thanks

(in reply to parhamzamanian)

Post #: 7