Nameservers and Email
Posted on 2006-06-21
On Monday we had a problem where my SBS 2003 exchange server could not send email via the SMTP address - it got stuck in the outbound queue. Nor could I access the companies website.
I enquired to the web host, who told me that the IP addresses of the nameservers had been updated and that I was on a cached DNS server and would eventually clear up. It did, and things started to work again.
But today, the same thing happened, I enquired to the web host again who said there was a problem on the secondary nameserver and it was being fixed.
Now, the strange bit:
The SMTP address is provided by the ISP of the offices that we are in.
The webhost who control the domain name and the web hosting have absolutely nothing to do with the ISP in the slightest.
The web host tell me that the name servers IP being changed and the nameservers error today and the emails not being able to leave the exchange server was a coincidence (twice) -
They tell me that the problem with the nameservers will have absolutely nothing to do with the SMTP sending of email.
Is this true?
i.e, Host says, website problem, yes that our issue, Email problem, thats the ISPs issue..
The ISP has been getting me to change the SMTP address today and he eventually gave me an ip address to use as the smtp address, I can now send to most of my test emails, except for one (I know this address definately works) and nothing is stuck in MS Exchange Outbound queue!
I have always been able to receive email, the webhost has set us an MX record which points all mail direct to our exchange servers IP address.
Any ideas? Im confused by the whole situation with name servers and the like.
Any help would be appreciated.