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can't send/receive - 29.Dec.2004 11:57:00 PM

zinno

Posts: 6
Joined: 29.Dec.2004
From: belgium
Status: offline

I'm lost on this one

I can't send/recieve mail from/to outside my network

Its an isa server on one machine, exchange server on the other, worked fine untill i uninstalled intelligent spam filter.

I can send mail inside my network and OWA.

From outside, i can portqry.exe to port 25 (filtered)

The isa server log firewall sees a connections from other mail servers
but logs
82.124.39.166 25 accept 10061 (???!)
normaly its
82.124.39.166 25 accept 0
82.124.39.166 25 accept 2000

No idea where this 100061 is coming from, since i can send telnet mail from my isa machine to exchange server.

On the exhange server i can ping outside DNS, but can't telnet yahoo mail server. Rest of network it works fine

mail server has DNS + forwarders are valid and reachable in network setting mail server set as DNS server.

SMTP virtual server is set to anonymous + basic + integrated

recipient policie is set

virusscanner dissabled

mailboxes & pubfolder mounted

nothing in the windows events

i'm lost :/

[ January 03, 2005, 11:53 PM: Message edited by: zinno ]

Post #: 1

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RE: can't send/receive - 1.Jan.2005 4:18:00 PM

rytmehans

Posts: 803
Joined: 10.Jul.2004
From: Denmark
Status: offline

Hi,

Can you telnet to the exchange server from the outside (on port 25) and send an email?

(in reply to zinno)

Post #: 2

RE: can't send/receive - 3.Jan.2005 11:50:00 PM

zinno

Posts: 6
Joined: 29.Dec.2004
From: belgium
Status: offline

Well seems u can't send mail through telnet from outside when there is an isa server in between. U can only use "portqry.exe" to verify the port is listening.

Anyway the server problem is resolved by reinstalling SP1 on exchange server 2003 and do a reboot of ISA & exchange server. Didn't work through remote desktop, worked when done on the server.

Cause of the problem: probably uninstall of microsoft intelligent spamfilter.

[ January 03, 2005, 11:51 PM: Message edited by: zinno ]

(in reply to zinno)

Post #: 3