From kde-pim  Thu Aug 27 05:36:46 2009
From: "Gary L. Greene, Jr." <greeneg () tolharadys ! net>
Date: Thu, 27 Aug 2009 05:36:46 +0000
To: kde-pim
Subject: Re: [Kde-pim] Review Request: Return error when email address ends
Message-Id: <200908262236.46741.greeneg () tolharadys ! net>
X-MARC-Message: https://marc.info/?l=kde-pim&m=125135556211425

On Wednesday 26 August 2009 10:17:35 pm Torgny Nyblom wrote:
> On Wednesday 26 August 2009 20:33:09 you wrote:
> > On 8/26/09 11:08 AM, "Martin Koller" <kollix@aon.at> wrote:
> > > On Wednesday 26 August 2009, Torgny Nyblom wrote:
> > >> Check if an email address ends with '.'. If this is the case return an
> > >>  error. Add unit tests for this as well as for the
> > >> "isValidAddressList()" function.
> > >
> > > I think it is valid that an email address's domain ends with a "."
> > > Have a look at RFC 1035
> >
> > This is legal according to the RFCs since email clients are supposed to
> > treat this no differently than DNS clients.
> 
> I've been looking at that RFC but I cannot find were it says that
> "user@domain.tld." should be a vaild email address. Could you point me to
> where this is specified?
> 
> /Torgny
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> 

As this is defined in RFC 3696, http://tools.ietf.org/html/rfc3696#page-5 , 
The domain portion must be a valid domain address that is understood by DNS 
for the express purpose of discovering the MX for a given network. These are 
of course defined in RFC 1035 that the trailing . is legal.
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