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can't receive external mail

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can't receive external mail - 10.Nov.2004 2:33:00 AM   
balan

 

Posts: 18
Joined: 10.Nov.2004
From: malaysia
Status: offline 		1.I can send and receive internal emails, send email to external addresses, but I can't receive external email. Is there anything I need to configure on my DNS after installing Exchange 2003? What is the line of troubleshooting?
my domain is mcat.com.my

2.My server always hangs after awhile it's up. i thought it was and virus issue.so i cleanup the network.yes there are viruses found but even after i clean up the status of the server remain the same.there are 15 pc's connected to the server.the server acts has a dhcp server and email server.doesnt it hang due to overload or other matter??? please advise on it. thanks [LIST]
Post #: 1
RE: can't receive external mail - 10.Nov.2004 2:37:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		this what your mx record says...

(PRI=10) shark.mcat.com.my [192.168.0.1]

which is wrong..
you cant have an internal ip address as an mx record.

Contact your isp for them to point your mx record to your firewall or exchange server

(in reply to balan)
Post #: 2
RE: can't receive external mail - 10.Nov.2004 2:38:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		you can also check this from this address as well

http://www.checkdns.net/quickcheck.aspx

just put your domain in and it runs all test on your domain.

Have your isp see whats up with the ns2 lookup server as well.

Good luck

(in reply to balan)
Post #: 3
RE: can't receive external mail - 10.Nov.2004 2:40:00 AM   
balan

 

Posts: 18
Joined: 10.Nov.2004
From: malaysia
Status: offline 		how could i change it? is there any configuration need to be done?? thank you for a quick reply

(in reply to balan)
Post #: 4
RE: can't receive external mail - 10.Nov.2004 2:45:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		you cant change unless you have access to your mx records...do you?

(in reply to balan)
Post #: 5
RE: can't receive external mail - 10.Nov.2004 2:48:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		looks like it just changed

getting this now..

Checking mail server (PRI=10) shark.mcat.com.my [203.121.80.6]
Error connecting to mail server shark.mcat.com.my [203.121.80.6] port 25 : timed out waiting for connection

(in reply to balan)
Post #: 6
RE: can't receive external mail - 10.Nov.2004 2:49:00 AM   
balan

 

Posts: 18
Joined: 10.Nov.2004
From: malaysia
Status: offline 		yes i do? actually im configuring their exchange server for the company. how can fix it now? do i have to re-do the whole installation ms exchange??

(in reply to balan)
Post #: 7
RE: can't receive external mail - 10.Nov.2004 2:56:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		no this doesnt have anything to do with exchagne....so far....

i can see two MX records..one with internal address and one with the external address

remove the internal one from DNS because both keep responding..
second. Make sure the ext. ip address also has an A record that points to exchange if this is how it is setup.....is ur ext. ip your firewall or exchange server

(in reply to balan)
Post #: 8
RE: can't receive external mail - 10.Nov.2004 2:57:00 AM   
balan

 

Posts: 18
Joined: 10.Nov.2004
From: malaysia
Status: offline 		where should i find the MX record?? actually im a beginner in it's field.im doing my practical on this. need a details troubleshooting line on this please help?? thank you.

(in reply to balan)
Post #: 9
RE: can't receive external mail - 10.Nov.2004 2:59:00 AM   
balan

 

Posts: 18
Joined: 10.Nov.2004
From: malaysia
Status: offline 		ext ip is my exchange server. where can i remove the int ip from my dns is it ??

(in reply to balan)
Post #: 10
RE: can't receive external mail - 10.Nov.2004 3:03:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		yes remove the internal ip address from dns

(in reply to balan)
Post #: 11
RE: can't receive external mail - 10.Nov.2004 3:05:00 AM   
balan

 

Posts: 18
Joined: 10.Nov.2004
From: malaysia
Status: offline 		ok i have remove the int ip from so what do i need to do next???

(in reply to balan)
Post #: 12
RE: can't receive external mail - 10.Nov.2004 3:14:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		is this a dns server 203.121.80.7 if so turn the machine on.

now is smtp service turned on???
any third party applications???
what kind of firewall ?? or is the exchange server in the DMZ?

i can ping but cant telnet...

go to cmd then type

telnet localhost 25

do you get a banner back??? if so type ehlo
you will see about 18 verbs in a list..
make sure there are 4 that start with an X ...
let me know

(in reply to balan)
Post #: 13
RE: can't receive external mail - 10.Nov.2004 3:26:00 AM   
balan

 

Posts: 18
Joined: 10.Nov.2004
From: malaysia
Status: offline 		im sorry the server hangs again.im rebooting it again.
the dns server is 203.121.80.6 also the exchange server.
there is no firewall there is only one server.

(in reply to balan)
Post #: 14
RE: can't receive external mail - 10.Nov.2004 3:33:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		ok do the tests i listed above and let me know...

what is the .7 server??

(in reply to balan)
Post #: 15
RE: can't receive external mail - 10.Nov.2004 4:22:00 AM   
balan

 

Posts: 18
Joined: 10.Nov.2004
From: malaysia
Status: offline 		i try telnet shark.mcat.com.my 25 but it say

220 SHARK.mcat.com.my Microsoft ESMTP Mail Service, Version 5.0.2195.5329 ready at Wed, 10 Nov 2004 10:21:19 -0800

(in reply to balan)
Post #: 16
RE: can't receive external mail - 10.Nov.2004 4:25:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		now once you telnet type

ehlo... you will see a list of verbs ..about 18 of them...

do you see 4 of them that have an X at the beginneing???

(in reply to balan)
Post #: 17
RE: can't receive external mail - 10.Nov.2004 4:28:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		do you have any antivirus or spam products on the box????

(in reply to balan)
Post #: 18
RE: can't receive external mail - 10.Nov.2004 4:31:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		also ..did you do any reinstalling of IIS at all????

(in reply to balan)
Post #: 19
RE: can't receive external mail - 10.Nov.2004 4:34:00 AM   
semorefred

 

Posts: 176
Joined: 9.Nov.2004
From: Charlotte
Status: offline 		what is your hotmail account??

lets make this easier...my account is semorefred@hotmail.com.. do you have msn acouunt for IM???

(in reply to balan)
Post #: 20

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