Tom's Hardware > Forum > Windows 2000/NT > Windows 2000/NT General Discussion > port 25 open
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Anonymous   07-20-2004 at 03:12:57 AM

Archived from groups: microsoft.public.win2000.security (More info?)

 

Someone do me a favor and go to www.sygatetech.com ,
click on Quick Scan and tell me what your port 25 reads.
Should this be open, closed, or blocked? I understand
what port 25 does, but not sure if it being open is safe
and / or correct. Seems like it should be blocked or
closed. I'm running SBS 2000 with Exchange 2000, and ISA
firewall.

Any help is appreciated.

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Anonymous   07-20-2004 at 04:49:51 PM
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Archived from groups: microsoft.public.win2000.security (More info?)

 

Hi,

Since you have Exchange installed (and probably published through ISA) port
25 should be opened -- if you want to receive e-mail from internet to your
Exchange server...

If you don't want or need an e-mail from internet, you can close your port
25.

If you will leave your port 25 open (for incoming e-mails) then make sure
you have your Exchange server configured not to relay e-mail for any
external domains but yours...

I hope this helps,

Mike

"ntwrk admn" <anonymous@discussions.microsoft.com> wrote in message
news:041101c46e0f$d6544bf0$a601280a@phx.gbl...
> Someone do me a favor and go to www.sygatetech.com ,
> click on Quick Scan and tell me what your port 25 reads.
> Should this be open, closed, or blocked? I understand
> what port 25 does, but not sure if it being open is safe
> and / or correct. Seems like it should be blocked or
> closed. I'm running SBS 2000 with Exchange 2000, and ISA
> firewall.
>
> Any help is appreciated.
>

Reply to Anonymous
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