I'll second for SimpleDNS Plus. I've got it running on 4 servers here. 
Incredibly easy to setup and works like a charm. I have had ZERO issues with it 
in the 4 years I've been running it. Worth looking into.

Troy D. Hilton
Serveon, Inc.
[EMAIL PROTECTED]
302-529-8640
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Terence Blyth
Sent: Friday, September 09, 2005 6:41 PM
To: [email protected]
Subject: RE: [IMail Forum] Strange occasional random issue

I like simpleDNS

Regards

Terence Blyth

Computer Technologies Ltd

Phone 64 3 545 9001

Fax     64 3 545 9002

 

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-----Original Message-----
From: Stephen Guluk [mailto:[EMAIL PROTECTED] 
Sent: Saturday, 10 September 2005 11:40 a.m.
To: [email protected]
Subject: Re: [IMail Forum] Strange occasional random issue

  Oh what a day from hell...... How do you pick a good DNS server? I  
had one from Verio that I've used for the last couple years  
161.58.158.113
Ipswitch Techs had me try one of there's while we were testing all  
the various problems. Worked well with theirs so I assumed that mine  
was not too good... I called Verio where my servers are hosted and  
they could not tell me much information about the DNS IP I posted  
above. They suggested that because it was a cache DNS server it looks  
like it may not always be available and maybe retired soon... Quite  
frankly I think the Gal knew less than I did about the server... None  
the less I tracerouted to the primary dns servers (ns1 and  
ns2 .DN.net) and used these in the SMTP area of iMail 8.21
These worked poorly and allowed my queue to grow to over 100 emails  
and stay at that point . Restarting the SMTP server would clear half  
of them but then back to the same state... People started calling  
because there were errors such as "553 Requested action not taken:  
Relaying not permitted" or "553 sorry, that domain isn't in my list  
of allowed rcpthosts (#5.7.1)"... I switched back to the IP above and  
it immediately cleared the cache and now hovers around 7 or 8 emails  
pending. Why does one DNS server IP work better than others?  
207.153.206.126 and 161.58.158.45 (bound to ns1 and 2 as mentioned  
above) failed to perform worth while.

You would think a company like Verio would have great DNS servers? Am  
I missing something? I'm thinking of moving to Rackspace at the end  
of the month and hope they can help.

Regards,

Steve





On Sep 9, 2005, at 10:49 AM, Darin Cox wrote:

> Ok, so according to this the mail server could not connect to the  
> primary
> rackspace.com mail server.
>
> According to http://dnsreport.com/tools/dnsreport.ch? 
> domain=rackspace.com,
> everything looks good for rackspace.com, so this may have been a  
> temporary
> issue with the rackspace.com mail server, or connectivity between your
> server and theirs.
>
> Darin.






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