On 03/17/2013 06:08 PM, Jim Thompson wrote:
Try hitting Testexchangeconnectivity.com
<http://Testexchangeconnectivity.com> (it's a Microsoft service) or
running the *Test-OutlookConnectivity* tasklet and send the report.
I had no luck here firewall on or off. the server we are using is LAMP -
CentOS sendmail and dovecot
But what you have above (below) shows that you're not reaching a
POP(3) server at the given IP address. Any chance you're talking to a
different DNS server with the firewall on .vs off?
firewall does not change the servers and the firewall use the same DNS
servers
server log file shows the Outlook client connecting, but then looks like
the email server can not communicate back to the client.
/dovecot: pop3-login: Disconnected (no auth attempts): rip=outlook
client IP, lip=dovecot IP/
so appears the client connects, but does not receive back from dovecot
when firewall is on
On Mar 17, 2013, at 6:02 PM, Gerald Waugh
<[email protected]
<mailto:[email protected]>> wrote:
On 03/17/2013 05:36 PM, Chris Buechler wrote:
On Sun, Mar 17, 2013 at 4:47 PM, Ermal Luçi<[email protected]> wrote:
Try enabling on the rule to allow ip options.
It might be that the packets are being dropped due to having ip options in
them.
Outlook shouldn't be using IP options, we'd have had a flood of
problem reports if that were the case with any degree of consistency.
Without having a packet capture it's hard to say. My guess based on
the description is the machine with Outlook has a network
misconfiguration of sorts where its traffic isn't hitting the firewall
Thanks for the response.
It is several Outlook IPs that will not work correctly.
the outlook client connects but does not complete and error on server
is "no auth attempts"
error on the client:
/T//ask '[email protected] - Receiving' reported error (0x8004210A) :
'The operation timed out waiting for a response from the receiving
(POP) server. If you continue to receive this message, contact your
server administrator or Internet service provider (ISP).'/
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