Well, here we go....
The thing that sticks in my crawl about this is it started Wednesday at around 10:30am....Very near the time that there was an issue with all of Godaddy.com's servers.
But Godaddy insists this problem is on my end. So I am begging the gents of the internet...YOU...to assist me with your great wisdom. I've never been let down by EE, and I know this will be no exception.
Since wednesday the 12th, outbound email has begun to give the system warning that mail is delayed.
I will come clean and say I have a limited understanding of Exchange 2010, probably just enough to be dangerous. I am always trying to learn and educate my-MS-self as my time allows.
I can see items in the Message Queue viewer and they give the error:
451 4.4.0 Primary terget IP address responded with: "4184.108.40.206 Unable to connect." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts.
Now I did look at several instances of this error in EE, The only step I tried was to flush the DNS with the cmd line ipconfig /flushdns.
Now here's something I can't explain... I can send mail to my hotmail account from this box! But not to gmail, or my godaddy hosted email, etc....it seems no other place can get the email.
LIke I said, exchange is still mysterious to me.
things I have verified:
I have verified my DNS sync to godaddy is updating, and the MX record at godaddy is pointing to my exchange server...INBOUND mail is 100% full speed working.
I have verified my ip address has not changed from my ISP.
I have tested the outbound mail to hotmail 3 times successfully.
I have tested outbound email to any other server FAILS.
Server diagnostics all show healthy, even ran the exchange troubleshooter where it gathers info for about ten minutes and it shot back everything was just fine! BPA tool I think?
I have verified there were no windows updates on 2/12 at all...when this all started. I did go ahead and run the updates from 2/13 last night.
What i have not figured out how to verify is if ANY of the mails sent from 2/12 or 2/13 eventually went through as my client hasn't complained about this and the exchange message Queue viewer only shows me items with today's date. (My ignorance of the message Queueu viewer is apparent here as well...I just don't need to go into this very often)
I have bared my large sized soul before you all.... Number 5 need input!