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Access to ISP SMTP server

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Access to ISP SMTP server - 9.Jul.2006 12:57:58 PM   
vikrant1971

 

Posts: 25
Joined: 24.Jun.2002
Status: offline
Hi,

I have a ISA 2000 in my LAN, configured in integrated mode.

I am able to receive mails through outlook express using POP but it is not allowing me to send any mails using SMTP.
While I try to send mails it is give the following error:
The connection to the server has failed. Account: 'test', Server: 'smtp.xyz.com', Protocol: SMTP, Port: 25, Secure(SSL): No, Socket Error: 10053, Error Number: 0x800CCC0E.

This was working one month back and there has been no changes in the configuration.
any clues?
while it is also not allowing to have a telnet session to port 25 while i am able to telnet pop.xyz.com 110.

please help.
Regards
Vik
Post #: 1
RE: Access to ISP SMTP server - 9.Jul.2006 6:26:40 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
Hi Vik,

what is the ISA firewall logging telling you? Make sure you have enabled the logging of the fields Rule#1 (Protocol rule) and Rule#2 (Site&cContent rule).

HTH,
Stefaan

(in reply to vikrant1971)
Post #: 2
RE: Access to ISP SMTP server - 10.Jul.2006 11:45:43 AM   
vikrant1971

 

Posts: 25
Joined: 24.Jun.2002
Status: offline
i have enabled the logging.
below is an extract of the file
#Software: Microsoft(R) Internet Security and Acceleration Server 2000
#Version: 1.0
#Date: 2006-07-10 00:00:04
#Fields: c-ip  cs-username c-agent       date          time          s-computername   r-host r-ip   r-port time-taken 
10.187.39.20 admin msimn.exe:3:5.2 N 2006-07-10 09:12:12 fwsrv MSISA01  - - 82.178.27.19  25 - - -

cs-bytes sc-bytes cs-protocol cs-transport s-operation sc-status sessionid connectionid
 25 TCP Connect - - - 10053 - SMTP Allow rule 2379 310 smtp.omantel.net.om 82.178.27.19 - - - - - - GHBN - - - 0 - SMTP Allow rule 2379 0

I also have created SMTP packet filer rule inbound and outbound and allowed everything. Still not working.
Please help.
Regards
Vik.

(in reply to spouseele)
Post #: 3
RE: Access to ISP SMTP server - 10.Jul.2006 9:12:57 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
Hi Vik, 

are you sure you have posted all the relevant log entries? Where are the fields Rule#1 and Rule#2?  

I have tried a smtp connection to that server 'smtp.omantel.net.om'. It didn't work from here either. That could indicate that this is an SMTP relay server who only allows connections from a selected IP range owned by that provider.  

BTW --- never mess with the IP packet filters to get an access or publishing rule working. If you have to do that then that indicates something else is wrong.

HTH,
Stefaan
 

(in reply to vikrant1971)
Post #: 4
RE: Access to ISP SMTP server - 11.Jul.2006 1:39:41 PM   
vikrant1971

 

Posts: 25
Joined: 24.Jun.2002
Status: offline
Dear Stefan,

I tried to telnet smtp.omantel.net.om 25 using a dialup conenction while i disabled the local network conenction and was sucessfull.
I am sure it has to do with the firewall rules and filters.
Please  help me in making it work.

Regards
Vikrant

(in reply to spouseele)
Post #: 5
RE: Access to ISP SMTP server - 11.Jul.2006 8:52:01 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
Hi Vik, 

quote:

are you sure you have posted all the relevant log entries? Where are the fields Rule#1 and Rule#2?  


To get the most information out of the logfiles, I strongly recommend to enable the logging of all fields. In the MMC, go to the node Monitoring Configuration, then select Logs. In the details pane, right-click the applicable service and then click Properties. On the Fields tab, click Select All. Also I prefer you post in ISA format because it somewhat more handy to use for me.  

HTH,
Stefaan

(in reply to vikrant1971)
Post #: 6
RE: Access to ISP SMTP server - 13.Jul.2006 9:10:44 AM   
gorbs2002ua

 

Posts: 6
Joined: 13.Sep.2002
From: Chicago
Status: offline
I'm actually having the same issue actually.  I am getting a status 10053 error message in my log file trying to send smtp. Very frustating as it was working previously as well so darned if I know what I've done at this point!!

Here is a copy of the log file line with my log options set to all fields.  I've XXXed the ip address of the smtp server. 

192.168.200.4    -    -    N    2006-07-13    06:52:08    fwsrv    SPEEDY_VI    -    -    XX.XXX.XX.XX    25    -    -    -    25    TCP    Connect    -    -    -    10053    -    Allow All    Allow rule    2    9

Greg

(in reply to spouseele)
Post #: 7
RE: Access to ISP SMTP server - 13.Jul.2006 9:18:46 AM   
gorbs2002ua

 

Posts: 6
Joined: 13.Sep.2002
From: Chicago
Status: offline
Neeever mind :-)

I looked at one of the older posts and I saw a reference to mcafee and then I sure enough figured out my problems starterd after I threw mcafee on the isa server.  It was blocking port 25.  Disabled that and now I'm functioning like a champ again.

greg

(in reply to gorbs2002ua)
Post #: 8
RE: Access to ISP SMTP server - 13.Jul.2006 12:42:52 PM   
vikrant1971

 

Posts: 25
Joined: 24.Jun.2002
Status: offline
hi greg,

Thanks for your post. I just looked and found mcafee is running in the ISA server. Did u completely remove mcafee or disable some it's features. Please do let me know.

Regards
VIk.

(in reply to gorbs2002ua)
Post #: 9
RE: Access to ISP SMTP server - 13.Jul.2006 2:36:13 PM   
vikrant1971

 

Posts: 25
Joined: 24.Jun.2002
Status: offline
Hi Guys,

Hurray...It works.

I disabled mass mailing worms on port 25 on the mcafee console of the ISA server.
Now I am able to send mails using the same smtp server.

Stefan and Greg thanks a ton for your support. Without your help it was going to be a failure.
God bless you.

Warm regards and Thanks
Vik.

(in reply to vikrant1971)
Post #: 10
RE: Access to ISP SMTP server - 13.Jul.2006 9:06:08 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
Hi Vik,

good to hear you have it working and it was not ISA's fault!

Thanks,
Stefaan

(in reply to vikrant1971)
Post #: 11

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