>Does the fact that I can send mail to external domains if I use the test DNS
>from ipswitch in my SMTP settings, but can't if I use the DNS from Interland
>(my web host) or freeservers.com (who has my own DNS info), mean that there
>is something wrong with these other DNS servers?
There are two main types of DNS servers: Ones that are used to answer
queries from the general public (as Interland and freeservers do for the
domains that you host there), and those that answer all queries (like the
ones that ISPs provide to their customers, for general use in looking up
web sites and such).
It sounds like the DNS servers you are using are the ones that are
authoritative for your domain(s). You can certainly use these *if* they
accept general queries from you. If they just report on the domains they
host, then you can't use it.
>Do the DNS restrict who can use them?
Some do, others do not. But that sounds like the problem. Interland and
freeservers are willing to let you use their DNS servers to look up
information on domains they host, but they don't want to be bogged down by
general DNS traffic unrelated to those domains.
>Do I have to tell them to 'allow recursive queries from Imail's IP?
Yes, but they probably won't do it. You should contact whoever provides
your Internet connection, they should have a DNS server you can use for
general queries.
>Interland said that since my web site is on one of their dedicated
>servers, then I should be able to just use their
>DNS in my Imail settings.
They probably mean that if IMail needs to know about that web site you
host, it can use their DNS servers. Ask them, "Can my mail server use your
DNS server to query about other domains besides ones you host".
>This is really driving me nuts, as every tech support person I talk to,
>Interland, Ipswitch and the people who submitted my DNS say that it is
>someone else's fault.
It isn't Interland's fault, and it isn't Ipswitch's fault, nor the fault of
the people that control *your* DNS. So they are actually correct (but very
limited if they can't explain to you what you *do* need).
What you need is a general DNS server that you can use for recursive
queries (meaning that it won't just respond on domains that it is
authoritative for; any domain you ask about, it will do its best to find
the answer).
-Scott
---
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