Question

Allow Pop3 through ISA 2006

Asked by: Go-GBS

How do you allow Outlook to connect via POP3 while behind an ISA 2006 server?  I created an access rule allowing POP3, POP3S, SMTP, and SMTPS, but it's still being blocked.  I get the error message within Outlook 0x80042108.

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Asked On
2009-09-29 at 10:38:03ID24770913
Tags

ISA 2006

,

POP3

Topics

MS Forefront-ISA

,

Post Office Protocol 3 (POP3)

Participating Experts
1
Points
500
Comments
16

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Answers

 

by: Go-GBSPosted on 2009-09-29 at 11:03:34ID: 25451584

Let me add that it's email hosted by GoDaddy.

 

by: a-JaleelPosted on 2009-09-29 at 12:40:58ID: 25452602

Hi,
Do u mean the following error message:
The operation timed out waiting for a response from the receiving (POP) server 0x8004210a

How to enable POP3 access to an external POP3 server in ISA Server 2006 or in ISA Server 2004:
http://support.microsoft.com/kb/891234

Regards

 

by: Go-GBSPosted on 2009-09-30 at 05:55:26ID: 25458251

I basically did this, except I set the rule for authenticated users instead of all users.  I also moved it to the top of the list so it didn't come after any rules with authenticated users.  Would it make any difference if I allowed this rule for only one internal computer, as opposed to internal as a whole?

 

by: a-JaleelPosted on 2009-09-30 at 06:01:30ID: 25458319

it should work in the specific computer if u select it, but if it didn't work try to be sure the you add thre correct computer to ISA. but for testing try to add it for all user just to check it. maybe the problem in this computer only.
so now just for testing try to allow all internal user from Internal Netwok to External.

if it's possible send a snapshoot of this rule when u allow only one computer and when u allow all internal network.

Regards

 

by: Go-GBSPosted on 2009-09-30 at 10:13:45ID: 25461013

Ok, I've made progress, the user can receive email now, but can't send.  I think I have the proper port open.  As it turns out it just needs port 80 for outgoing.  The problem now is I'm receiving a different error that says it timed out trying to contact the outgoing server, error code is 0x8004210B.

 

by: Go-GBSPosted on 2009-09-30 at 10:22:47ID: 25461100

Since the outgoing mail uses port 80, is there a way to configure Outlook to use Proxy?  Under our web access rule the condition is for Authenticated Users, which blocks the outgoing email, which I'm assuming b/c no authentication is being passed.  How can I configure this to work, or do I have to create a separate rule for HTTP traffic for just All Users?

 

by: a-JaleelPosted on 2009-09-30 at 14:21:50ID: 25463791

do u mean that u need to open port 80 on ISA???, there is no option on outlook for proxy, port 80 should be open for internet use, for troubleshooting this issue, you can use Monitoring in ISA and filter it to check POP3 protocol, then we will see why ISA is blocking POP3, plz do this monitor and send me snapshoot.

if u can send configuration snapshoot it will help more in troubleshooting.

Thanks

 

by: Go-GBSPosted on 2009-09-30 at 16:18:20ID: 25464606

Ok, I'll have it'll probably have to be Monday for me to get that snapshot.  Port 80 is open, but thats the port that's being used for outgoing mail.  Also, I have been watching the monitoring and don't see anything having to do with Pop3 or HTTP.  What seems to be happening now, is that Outlook is timing out when trying to send email.  The error is 0x8004210B within Outlook.

 

by: a-JaleelPosted on 2009-09-30 at 22:31:08ID: 25466166

Hello,

Basec on error 0x8004210B, kindly try the following hotfix from Microsoft Support and let me know the result:

http://support.microsoft.com/kb/8273

 

by: Go-GBSPosted on 2009-10-05 at 05:04:24ID: 25494370

Are there a few numbers missing from the KB article #?  When I try the link it doesn't work, and the article I find that matches those first 4 numbers is for Outlook 2002.

 

by: Go-GBSPosted on 2009-10-05 at 11:14:40ID: 25497889

Here's a screenshot of the monitoring when Outlook is performing a Send/Receive.  Recieve works, Send does not.

 

by: a-JaleelPosted on 2009-10-09 at 10:11:27ID: 25536803

Based on the snapshoot ISA denied connections for SNMP which is The Simple Network Management Protocol (SNMP) is an application layer protocol that facilitates the exchange of management information between network devices.

Regards

 

by: Go-GBSPosted on 2009-10-09 at 10:44:32ID: 25537134

Right, but what would that have to do with Outlook not working?  Just in case I did try allowing SNMP to my access rule, but it didn't help.  GoDaddy uses additional ports for outgoing mail, so I'm going to try and adjust that.

 

by: Go-GBSPosted on 2009-10-15 at 08:00:33ID: 25581247

Ok, figured it out.  GoDaddy uses other ports as well for outgoing email, so I changed the port within the Outlook configuration to 3535, then allowed that port on ISA and voila, it works.

 

by: Go-GBSPosted on 2009-10-15 at 08:03:38ID: 25581284

Ok, I have a slight dilemma.  How do I go about awarding these points?  a-Jaleel's post with the Microsoft article above on allowing Pop3 was helpful, and necessary to getting this to work, but I want the overall solution to be complete, which in my case required adjusting the port used for outgoing.  I can't seem to choose multiple solutions w/o selecting multiple users.

20120131-EE-VQP-002

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