mail problem
S0LARlSTEK at aol.com
S0LARlSTEK at aol.com
Thu Oct 7 22:58:39 UTC 1999
I am moving all my people to virtual hosting. 250 sites per IP address. How
can I have more than one ptr record for a single IP address. Or should I
just tell my clients that the name of their outgoing mail server is the name
of my mail server.
Greg
<< >Is this a correct configuratin for a zone file (.db file) if the name of
my
>mail server is web60.websgt.net.
>
>;
>; db.gtreseller.net
>; $Id$
>;
>@ IN SOA web60.websgt.net. webmaster.websgt.net. (
> 1999100702 ; serial - yyyymmddhh
> 28800 ; refresh after 8 hours
> 3600 ; retry after 1 hour
> 604800 ; expire after 1 week
> 86400 ) ; minimum TTL - 1 day
>
>; Name Servers
> IN NS ns1.websgt.net.
> IN NS ns2.jtinternet.com.
>
>;
>gtreseller.net. IN MX 10 web60.websgt.net.
>localhost IN A 127.0.0.1
>gtreseller.net. IN A 216.32.58.62
>www.gtreseller.net. IN A 216.32.58.62
>
>Could the fact that my SOA records are not the same as my primary DNS be a
>problem, or cause problems with email.
No. The only thing that cares about the hostname in the SOA record is
dynamic update.
> I am having problems sending mail to
>yahoo.com, earthlink.net and many other places. Although can send to
UIA.NET
>and AOL.COM
Is your outgoing mail going from www.gtreseller.net? The problem may be
that there's no reverse DNS entry for 216.32.58.62. Many mail servers now
refuse to accept mail from a remote address if they can't resolve its
address to a hostname. You need to get Exodus to add a PTR record for this
address, or if this is a part of a range of addresses they've assigned to
you they could delegate reverse DNS to you (perhaps using RFC 2317 if you
don't have the entire class C).
--
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
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From: Barry Margolin <barmar at bbnplanet.com>
Newsgroups: comp.protocols.dns.bind
Subject: Re: mail problem
References: <79f32b15.252e6920 at aol.com>
Organization: GTE Internetworking, Cambridge, MA
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