Re: Allowing mail from multiple domains

From: Todd Lyons <>
Date: Tue, 22 Apr 2014 12:08:31 -0700

On Tue, Apr 22, 2014 at 11:59 AM, Phil Stracchino <> wrote:
>> % host -t txt
>> Host not found: 3(NXDOMAIN)
> *DOH!!!!* I don't believe I didn't see the problem before. There's
> nothing wrong with the *record* or with the nameserver. It's the
> underscore in the record *name*. Underscores are not valid in a domain
> name by default.

As I understand things, _ is not valid in a hostname, but it is valid
in a DNS RR.

The total budget at all receivers for solving senders' problems is $0.
 If you want them to accept your mail and manage it the way you want,
send it the way the spec says to. --John Levine
Received on Tue Apr 22 2014 - 19:08:52 PST

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